diff --git a/healthlink-his-server/healthlink-his-application/src/main/java/com/healthlink/his/web/knowledgegraph/appservice/IKgEntityAppService.java b/healthlink-his-server/healthlink-his-application/src/main/java/com/healthlink/his/web/knowledgegraph/appservice/IKgEntityAppService.java
new file mode 100644
index 000000000..eb971e4c1
--- /dev/null
+++ b/healthlink-his-server/healthlink-his-application/src/main/java/com/healthlink/his/web/knowledgegraph/appservice/IKgEntityAppService.java
@@ -0,0 +1,47 @@
+package com.healthlink.his.web.knowledgegraph.appservice;
+
+import com.baomidou.mybatisplus.core.metadata.IPage;
+import com.healthlink.his.web.knowledgegraph.dto.*;
+
+public interface IKgEntityAppService {
+
+    Boolean addDisease(KgDiseaseDto dto);
+
+    Boolean updateDisease(KgDiseaseDto dto);
+
+    Boolean deleteDisease(Long id);
+
+    KgDiseaseDto getDiseaseById(Long id);
+
+    IPage<KgDiseaseDto> pageDisease(String keyword, String category, Integer pageNo, Integer pageSize);
+
+    Boolean addSymptom(KgSymptomDto dto);
+
+    Boolean updateSymptom(KgSymptomDto dto);
+
+    Boolean deleteSymptom(Long id);
+
+    KgSymptomDto getSymptomById(Long id);
+
+    IPage<KgSymptomDto> pageSymptom(String keyword, String symptomType, Integer pageNo, Integer pageSize);
+
+    Boolean addDrug(KgDrugDto dto);
+
+    Boolean updateDrug(KgDrugDto dto);
+
+    Boolean deleteDrug(Long id);
+
+    KgDrugDto getDrugById(Long id);
+
+    IPage<KgDrugDto> pageDrug(String keyword, String category, Integer pageNo, Integer pageSize);
+
+    Boolean addExamination(KgExaminationDto dto);
+
+    Boolean updateExamination(KgExaminationDto dto);
+
+    Boolean deleteExamination(Long id);
+
+    KgExaminationDto getExaminationById(Long id);
+
+    IPage<KgExaminationDto> pageExamination(String keyword, String examType, Integer pageNo, Integer pageSize);
+}
diff --git a/healthlink-his-server/healthlink-his-application/src/main/java/com/healthlink/his/web/knowledgegraph/appservice/impl/KgEntityAppServiceImpl.java b/healthlink-his-server/healthlink-his-application/src/main/java/com/healthlink/his/web/knowledgegraph/appservice/impl/KgEntityAppServiceImpl.java
new file mode 100644
index 000000000..6213c97e5
--- /dev/null
+++ b/healthlink-his-server/healthlink-his-application/src/main/java/com/healthlink/his/web/knowledgegraph/appservice/impl/KgEntityAppServiceImpl.java
@@ -0,0 +1,256 @@
+package com.healthlink.his.web.knowledgegraph.appservice.impl;
+
+import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
+import com.baomidou.mybatisplus.core.metadata.IPage;
+import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
+import com.healthlink.his.knowledgegraph.domain.*;
+import com.healthlink.his.knowledgegraph.service.*;
+import com.healthlink.his.web.knowledgegraph.appservice.IKgEntityAppService;
+import com.healthlink.his.web.knowledgegraph.dto.*;
+import org.springframework.beans.BeanUtils;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+import org.springframework.util.StringUtils;
+
+@Service
+public class KgEntityAppServiceImpl implements IKgEntityAppService {
+
+    private final IKgDiseaseService kgDiseaseService;
+    private final IKgSymptomService kgSymptomService;
+    private final IKgDrugService kgDrugService;
+    private final IKgExaminationService kgExaminationService;
+
+    public KgEntityAppServiceImpl(IKgDiseaseService kgDiseaseService,
+                                  IKgSymptomService kgSymptomService,
+                                  IKgDrugService kgDrugService,
+                                  IKgExaminationService kgExaminationService) {
+        this.kgDiseaseService = kgDiseaseService;
+        this.kgSymptomService = kgSymptomService;
+        this.kgDrugService = kgDrugService;
+        this.kgExaminationService = kgExaminationService;
+    }
+
+    @Override
+    @Transactional(rollbackFor = Exception.class)
+    public Boolean addDisease(KgDiseaseDto dto) {
+        KgDisease entity = new KgDisease();
+        BeanUtils.copyProperties(dto, entity);
+        return kgDiseaseService.save(entity);
+    }
+
+    @Override
+    @Transactional(rollbackFor = Exception.class)
+    public Boolean updateDisease(KgDiseaseDto dto) {
+        if (dto.getId() == null) {
+            return false;
+        }
+        KgDisease entity = new KgDisease();
+        BeanUtils.copyProperties(dto, entity);
+        return kgDiseaseService.updateById(entity);
+    }
+
+    @Override
+    @Transactional(rollbackFor = Exception.class)
+    public Boolean deleteDisease(Long id) {
+        return kgDiseaseService.removeById(id);
+    }
+
+    @Override
+    public KgDiseaseDto getDiseaseById(Long id) {
+        KgDisease entity = kgDiseaseService.getById(id);
+        if (entity == null) {
+            return null;
+        }
+        KgDiseaseDto dto = new KgDiseaseDto();
+        BeanUtils.copyProperties(entity, dto);
+        return dto;
+    }
+
+    @Override
+    public IPage<KgDiseaseDto> pageDisease(String keyword, String category, Integer pageNo, Integer pageSize) {
+        Page<KgDisease> page = new Page<>(pageNo, pageSize);
+        LambdaQueryWrapper<KgDisease> wrapper = new LambdaQueryWrapper<>();
+        if (StringUtils.hasText(keyword)) {
+            wrapper.and(w -> w.like(KgDisease::getDiseaseName, keyword)
+                    .or().like(KgDisease::getDiseaseCode, keyword));
+        }
+        if (StringUtils.hasText(category)) {
+            wrapper.eq(KgDisease::getCategory, category);
+        }
+        wrapper.orderByDesc(KgDisease::getCreateTime);
+        Page<KgDisease> result = kgDiseaseService.page(page, wrapper);
+        return result.convert(entity -> {
+            KgDiseaseDto dto = new KgDiseaseDto();
+            BeanUtils.copyProperties(entity, dto);
+            return dto;
+        });
+    }
+
+    @Override
+    @Transactional(rollbackFor = Exception.class)
+    public Boolean addSymptom(KgSymptomDto dto) {
+        KgSymptom entity = new KgSymptom();
+        BeanUtils.copyProperties(dto, entity);
+        return kgSymptomService.save(entity);
+    }
+
+    @Override
+    @Transactional(rollbackFor = Exception.class)
+    public Boolean updateSymptom(KgSymptomDto dto) {
+        if (dto.getId() == null) {
+            return false;
+        }
+        KgSymptom entity = new KgSymptom();
+        BeanUtils.copyProperties(dto, entity);
+        return kgSymptomService.updateById(entity);
+    }
+
+    @Override
+    @Transactional(rollbackFor = Exception.class)
+    public Boolean deleteSymptom(Long id) {
+        return kgSymptomService.removeById(id);
+    }
+
+    @Override
+    public KgSymptomDto getSymptomById(Long id) {
+        KgSymptom entity = kgSymptomService.getById(id);
+        if (entity == null) {
+            return null;
+        }
+        KgSymptomDto dto = new KgSymptomDto();
+        BeanUtils.copyProperties(entity, dto);
+        return dto;
+    }
+
+    @Override
+    public IPage<KgSymptomDto> pageSymptom(String keyword, String symptomType, Integer pageNo, Integer pageSize) {
+        Page<KgSymptom> page = new Page<>(pageNo, pageSize);
+        LambdaQueryWrapper<KgSymptom> wrapper = new LambdaQueryWrapper<>();
+        if (StringUtils.hasText(keyword)) {
+            wrapper.and(w -> w.like(KgSymptom::getSymptomName, keyword)
+                    .or().like(KgSymptom::getSymptomCode, keyword));
+        }
+        if (StringUtils.hasText(symptomType)) {
+            wrapper.eq(KgSymptom::getSymptomType, symptomType);
+        }
+        wrapper.orderByDesc(KgSymptom::getCreateTime);
+        Page<KgSymptom> result = kgSymptomService.page(page, wrapper);
+        return result.convert(entity -> {
+            KgSymptomDto dto = new KgSymptomDto();
+            BeanUtils.copyProperties(entity, dto);
+            return dto;
+        });
+    }
+
+    @Override
+    @Transactional(rollbackFor = Exception.class)
+    public Boolean addDrug(KgDrugDto dto) {
+        KgDrug entity = new KgDrug();
+        BeanUtils.copyProperties(dto, entity);
+        return kgDrugService.save(entity);
+    }
+
+    @Override
+    @Transactional(rollbackFor = Exception.class)
+    public Boolean updateDrug(KgDrugDto dto) {
+        if (dto.getId() == null) {
+            return false;
+        }
+        KgDrug entity = new KgDrug();
+        BeanUtils.copyProperties(dto, entity);
+        return kgDrugService.updateById(entity);
+    }
+
+    @Override
+    @Transactional(rollbackFor = Exception.class)
+    public Boolean deleteDrug(Long id) {
+        return kgDrugService.removeById(id);
+    }
+
+    @Override
+    public KgDrugDto getDrugById(Long id) {
+        KgDrug entity = kgDrugService.getById(id);
+        if (entity == null) {
+            return null;
+        }
+        KgDrugDto dto = new KgDrugDto();
+        BeanUtils.copyProperties(entity, dto);
+        return dto;
+    }
+
+    @Override
+    public IPage<KgDrugDto> pageDrug(String keyword, String category, Integer pageNo, Integer pageSize) {
+        Page<KgDrug> page = new Page<>(pageNo, pageSize);
+        LambdaQueryWrapper<KgDrug> wrapper = new LambdaQueryWrapper<>();
+        if (StringUtils.hasText(keyword)) {
+            wrapper.and(w -> w.like(KgDrug::getDrugName, keyword)
+                    .or().like(KgDrug::getDrugCode, keyword));
+        }
+        if (StringUtils.hasText(category)) {
+            wrapper.eq(KgDrug::getCategory, category);
+        }
+        wrapper.orderByDesc(KgDrug::getCreateTime);
+        Page<KgDrug> result = kgDrugService.page(page, wrapper);
+        return result.convert(entity -> {
+            KgDrugDto dto = new KgDrugDto();
+            BeanUtils.copyProperties(entity, dto);
+            return dto;
+        });
+    }
+
+    @Override
+    @Transactional(rollbackFor = Exception.class)
+    public Boolean addExamination(KgExaminationDto dto) {
+        KgExamination entity = new KgExamination();
+        BeanUtils.copyProperties(dto, entity);
+        return kgExaminationService.save(entity);
+    }
+
+    @Override
+    @Transactional(rollbackFor = Exception.class)
+    public Boolean updateExamination(KgExaminationDto dto) {
+        if (dto.getId() == null) {
+            return false;
+        }
+        KgExamination entity = new KgExamination();
+        BeanUtils.copyProperties(dto, entity);
+        return kgExaminationService.updateById(entity);
+    }
+
+    @Override
+    @Transactional(rollbackFor = Exception.class)
+    public Boolean deleteExamination(Long id) {
+        return kgExaminationService.removeById(id);
+    }
+
+    @Override
+    public KgExaminationDto getExaminationById(Long id) {
+        KgExamination entity = kgExaminationService.getById(id);
+        if (entity == null) {
+            return null;
+        }
+        KgExaminationDto dto = new KgExaminationDto();
+        BeanUtils.copyProperties(entity, dto);
+        return dto;
+    }
+
+    @Override
+    public IPage<KgExaminationDto> pageExamination(String keyword, String examType, Integer pageNo, Integer pageSize) {
+        Page<KgExamination> page = new Page<>(pageNo, pageSize);
+        LambdaQueryWrapper<KgExamination> wrapper = new LambdaQueryWrapper<>();
+        if (StringUtils.hasText(keyword)) {
+            wrapper.and(w -> w.like(KgExamination::getExamName, keyword)
+                    .or().like(KgExamination::getExamCode, keyword));
+        }
+        if (StringUtils.hasText(examType)) {
+            wrapper.eq(KgExamination::getExamType, examType);
+        }
+        wrapper.orderByDesc(KgExamination::getCreateTime);
+        Page<KgExamination> result = kgExaminationService.page(page, wrapper);
+        return result.convert(entity -> {
+            KgExaminationDto dto = new KgExaminationDto();
+            BeanUtils.copyProperties(entity, dto);
+            return dto;
+        });
+    }
+}
diff --git a/healthlink-his-server/healthlink-his-application/src/main/java/com/healthlink/his/web/knowledgegraph/controller/KgEntityController.java b/healthlink-his-server/healthlink-his-application/src/main/java/com/healthlink/his/web/knowledgegraph/controller/KgEntityController.java
new file mode 100644
index 000000000..46e040ec8
--- /dev/null
+++ b/healthlink-his-server/healthlink-his-application/src/main/java/com/healthlink/his/web/knowledgegraph/controller/KgEntityController.java
@@ -0,0 +1,301 @@
+package com.healthlink.his.web.knowledgegraph.controller;
+
+import com.baomidou.mybatisplus.core.metadata.IPage;
+import com.core.common.core.domain.R;
+import com.healthlink.his.web.knowledgegraph.appservice.IKgEntityAppService;
+import com.healthlink.his.web.knowledgegraph.dto.*;
+import io.swagger.v3.oas.annotations.Operation;
+import io.swagger.v3.oas.annotations.Parameter;
+import io.swagger.v3.oas.annotations.tags.Tag;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.security.access.prepost.PreAuthorize;
+import org.springframework.web.bind.annotation.*;
+
+@Slf4j
+@Tag(name = "知识图谱-实体管理")
+@RestController
+@RequestMapping("/knowledgegraph")
+public class KgEntityController {
+
+    private final IKgEntityAppService kgEntityAppService;
+
+    public KgEntityController(IKgEntityAppService kgEntityAppService) {
+        this.kgEntityAppService = kgEntityAppService;
+    }
+
+    @Operation(summary = "创建疾病")
+    @PreAuthorize("@ss.hasPermi('system:knowledgegraph:edit')")
+    @PostMapping("/disease")
+    public R<String> addDisease(@RequestBody KgDiseaseDto dto) {
+        try {
+            Boolean result = kgEntityAppService.addDisease(dto);
+            return result ? R.ok("创建成功") : R.fail("创建失败");
+        } catch (Exception e) {
+            log.error("创建疾病失败", e);
+            return R.fail("创建疾病失败: " + e.getMessage());
+        }
+    }
+
+    @Operation(summary = "疾病分页查询")
+    @PreAuthorize("@ss.hasPermi('system:knowledgegraph:list')")
+    @GetMapping("/disease/page")
+    public R<IPage<KgDiseaseDto>> pageDisease(
+            @Parameter(description = "关键词") @RequestParam(required = false) String keyword,
+            @Parameter(description = "分类") @RequestParam(required = false) String category,
+            @Parameter(description = "页码") @RequestParam(defaultValue = "1") Integer pageNo,
+            @Parameter(description = "每页数量") @RequestParam(defaultValue = "10") Integer pageSize) {
+        try {
+            IPage<KgDiseaseDto> page = kgEntityAppService.pageDisease(keyword, category, pageNo, pageSize);
+            return R.ok(page);
+        } catch (Exception e) {
+            log.error("查询疾病列表失败", e);
+            return R.fail("查询疾病列表失败: " + e.getMessage());
+        }
+    }
+
+    @Operation(summary = "更新疾病")
+    @PreAuthorize("@ss.hasPermi('system:knowledgegraph:edit')")
+    @PutMapping("/disease")
+    public R<String> updateDisease(@RequestBody KgDiseaseDto dto) {
+        try {
+            Boolean result = kgEntityAppService.updateDisease(dto);
+            return result ? R.ok("更新成功") : R.fail("更新失败");
+        } catch (Exception e) {
+            log.error("更新疾病失败", e);
+            return R.fail("更新疾病失败: " + e.getMessage());
+        }
+    }
+
+    @Operation(summary = "删除疾病")
+    @PreAuthorize("@ss.hasPermi('system:knowledgegraph:edit')")
+    @DeleteMapping("/disease/{id}")
+    public R<String> deleteDisease(@PathVariable Long id) {
+        try {
+            Boolean result = kgEntityAppService.deleteDisease(id);
+            return result ? R.ok("删除成功") : R.fail("删除失败");
+        } catch (Exception e) {
+            log.error("删除疾病失败", e);
+            return R.fail("删除疾病失败: " + e.getMessage());
+        }
+    }
+
+    @Operation(summary = "疾病详情")
+    @PreAuthorize("@ss.hasPermi('system:knowledgegraph:list')")
+    @GetMapping("/disease/{id}")
+    public R<KgDiseaseDto> getDiseaseById(@PathVariable Long id) {
+        try {
+            KgDiseaseDto dto = kgEntityAppService.getDiseaseById(id);
+            return dto != null ? R.ok(dto) : R.fail("未找到疾病信息");
+        } catch (Exception e) {
+            log.error("获取疾病详情失败", e);
+            return R.fail("获取疾病详情失败: " + e.getMessage());
+        }
+    }
+
+    @Operation(summary = "创建症状")
+    @PreAuthorize("@ss.hasPermi('system:knowledgegraph:edit')")
+    @PostMapping("/symptom")
+    public R<String> addSymptom(@RequestBody KgSymptomDto dto) {
+        try {
+            Boolean result = kgEntityAppService.addSymptom(dto);
+            return result ? R.ok("创建成功") : R.fail("创建失败");
+        } catch (Exception e) {
+            log.error("创建症状失败", e);
+            return R.fail("创建症状失败: " + e.getMessage());
+        }
+    }
+
+    @Operation(summary = "症状分页查询")
+    @PreAuthorize("@ss.hasPermi('system:knowledgegraph:list')")
+    @GetMapping("/symptom/page")
+    public R<IPage<KgSymptomDto>> pageSymptom(
+            @Parameter(description = "关键词") @RequestParam(required = false) String keyword,
+            @Parameter(description = "症状类型") @RequestParam(required = false) String symptomType,
+            @Parameter(description = "页码") @RequestParam(defaultValue = "1") Integer pageNo,
+            @Parameter(description = "每页数量") @RequestParam(defaultValue = "10") Integer pageSize) {
+        try {
+            IPage<KgSymptomDto> page = kgEntityAppService.pageSymptom(keyword, symptomType, pageNo, pageSize);
+            return R.ok(page);
+        } catch (Exception e) {
+            log.error("查询症状列表失败", e);
+            return R.fail("查询症状列表失败: " + e.getMessage());
+        }
+    }
+
+    @Operation(summary = "更新症状")
+    @PreAuthorize("@ss.hasPermi('system:knowledgegraph:edit')")
+    @PutMapping("/symptom")
+    public R<String> updateSymptom(@RequestBody KgSymptomDto dto) {
+        try {
+            Boolean result = kgEntityAppService.updateSymptom(dto);
+            return result ? R.ok("更新成功") : R.fail("更新失败");
+        } catch (Exception e) {
+            log.error("更新症状失败", e);
+            return R.fail("更新症状失败: " + e.getMessage());
+        }
+    }
+
+    @Operation(summary = "删除症状")
+    @PreAuthorize("@ss.hasPermi('system:knowledgegraph:edit')")
+    @DeleteMapping("/symptom/{id}")
+    public R<String> deleteSymptom(@PathVariable Long id) {
+        try {
+            Boolean result = kgEntityAppService.deleteSymptom(id);
+            return result ? R.ok("删除成功") : R.fail("删除失败");
+        } catch (Exception e) {
+            log.error("删除症状失败", e);
+            return R.fail("删除症状失败: " + e.getMessage());
+        }
+    }
+
+    @Operation(summary = "症状详情")
+    @PreAuthorize("@ss.hasPermi('system:knowledgegraph:list')")
+    @GetMapping("/symptom/{id}")
+    public R<KgSymptomDto> getSymptomById(@PathVariable Long id) {
+        try {
+            KgSymptomDto dto = kgEntityAppService.getSymptomById(id);
+            return dto != null ? R.ok(dto) : R.fail("未找到症状信息");
+        } catch (Exception e) {
+            log.error("获取症状详情失败", e);
+            return R.fail("获取症状详情失败: " + e.getMessage());
+        }
+    }
+
+    @Operation(summary = "创建药物")
+    @PreAuthorize("@ss.hasPermi('system:knowledgegraph:edit')")
+    @PostMapping("/drug")
+    public R<String> addDrug(@RequestBody KgDrugDto dto) {
+        try {
+            Boolean result = kgEntityAppService.addDrug(dto);
+            return result ? R.ok("创建成功") : R.fail("创建失败");
+        } catch (Exception e) {
+            log.error("创建药物失败", e);
+            return R.fail("创建药物失败: " + e.getMessage());
+        }
+    }
+
+    @Operation(summary = "药物分页查询")
+    @PreAuthorize("@ss.hasPermi('system:knowledgegraph:list')")
+    @GetMapping("/drug/page")
+    public R<IPage<KgDrugDto>> pageDrug(
+            @Parameter(description = "关键词") @RequestParam(required = false) String keyword,
+            @Parameter(description = "分类") @RequestParam(required = false) String category,
+            @Parameter(description = "页码") @RequestParam(defaultValue = "1") Integer pageNo,
+            @Parameter(description = "每页数量") @RequestParam(defaultValue = "10") Integer pageSize) {
+        try {
+            IPage<KgDrugDto> page = kgEntityAppService.pageDrug(keyword, category, pageNo, pageSize);
+            return R.ok(page);
+        } catch (Exception e) {
+            log.error("查询药物列表失败", e);
+            return R.fail("查询药物列表失败: " + e.getMessage());
+        }
+    }
+
+    @Operation(summary = "更新药物")
+    @PreAuthorize("@ss.hasPermi('system:knowledgegraph:edit')")
+    @PutMapping("/drug")
+    public R<String> updateDrug(@RequestBody KgDrugDto dto) {
+        try {
+            Boolean result = kgEntityAppService.updateDrug(dto);
+            return result ? R.ok("更新成功") : R.fail("更新失败");
+        } catch (Exception e) {
+            log.error("更新药物失败", e);
+            return R.fail("更新药物失败: " + e.getMessage());
+        }
+    }
+
+    @Operation(summary = "删除药物")
+    @PreAuthorize("@ss.hasPermi('system:knowledgegraph:edit')")
+    @DeleteMapping("/drug/{id}")
+    public R<String> deleteDrug(@PathVariable Long id) {
+        try {
+            Boolean result = kgEntityAppService.deleteDrug(id);
+            return result ? R.ok("删除成功") : R.fail("删除失败");
+        } catch (Exception e) {
+            log.error("删除药物失败", e);
+            return R.fail("删除药物失败: " + e.getMessage());
+        }
+    }
+
+    @Operation(summary = "药物详情")
+    @PreAuthorize("@ss.hasPermi('system:knowledgegraph:list')")
+    @GetMapping("/drug/{id}")
+    public R<KgDrugDto> getDrugById(@PathVariable Long id) {
+        try {
+            KgDrugDto dto = kgEntityAppService.getDrugById(id);
+            return dto != null ? R.ok(dto) : R.fail("未找到药物信息");
+        } catch (Exception e) {
+            log.error("获取药物详情失败", e);
+            return R.fail("获取药物详情失败: " + e.getMessage());
+        }
+    }
+
+    @Operation(summary = "创建检查")
+    @PreAuthorize("@ss.hasPermi('system:knowledgegraph:edit')")
+    @PostMapping("/examination")
+    public R<String> addExamination(@RequestBody KgExaminationDto dto) {
+        try {
+            Boolean result = kgEntityAppService.addExamination(dto);
+            return result ? R.ok("创建成功") : R.fail("创建失败");
+        } catch (Exception e) {
+            log.error("创建检查失败", e);
+            return R.fail("创建检查失败: " + e.getMessage());
+        }
+    }
+
+    @Operation(summary = "检查分页查询")
+    @PreAuthorize("@ss.hasPermi('system:knowledgegraph:list')")
+    @GetMapping("/examination/page")
+    public R<IPage<KgExaminationDto>> pageExamination(
+            @Parameter(description = "关键词") @RequestParam(required = false) String keyword,
+            @Parameter(description = "检查类型") @RequestParam(required = false) String examType,
+            @Parameter(description = "页码") @RequestParam(defaultValue = "1") Integer pageNo,
+            @Parameter(description = "每页数量") @RequestParam(defaultValue = "10") Integer pageSize) {
+        try {
+            IPage<KgExaminationDto> page = kgEntityAppService.pageExamination(keyword, examType, pageNo, pageSize);
+            return R.ok(page);
+        } catch (Exception e) {
+            log.error("查询检查列表失败", e);
+            return R.fail("查询检查列表失败: " + e.getMessage());
+        }
+    }
+
+    @Operation(summary = "更新检查")
+    @PreAuthorize("@ss.hasPermi('system:knowledgegraph:edit')")
+    @PutMapping("/examination")
+    public R<String> updateExamination(@RequestBody KgExaminationDto dto) {
+        try {
+            Boolean result = kgEntityAppService.updateExamination(dto);
+            return result ? R.ok("更新成功") : R.fail("更新失败");
+        } catch (Exception e) {
+            log.error("更新检查失败", e);
+            return R.fail("更新检查失败: " + e.getMessage());
+        }
+    }
+
+    @Operation(summary = "删除检查")
+    @PreAuthorize("@ss.hasPermi('system:knowledgegraph:edit')")
+    @DeleteMapping("/examination/{id}")
+    public R<String> deleteExamination(@PathVariable Long id) {
+        try {
+            Boolean result = kgEntityAppService.deleteExamination(id);
+            return result ? R.ok("删除成功") : R.fail("删除失败");
+        } catch (Exception e) {
+            log.error("删除检查失败", e);
+            return R.fail("删除检查失败: " + e.getMessage());
+        }
+    }
+
+    @Operation(summary = "检查详情")
+    @PreAuthorize("@ss.hasPermi('system:knowledgegraph:list')")
+    @GetMapping("/examination/{id}")
+    public R<KgExaminationDto> getExaminationById(@PathVariable Long id) {
+        try {
+            KgExaminationDto dto = kgEntityAppService.getExaminationById(id);
+            return dto != null ? R.ok(dto) : R.fail("未找到检查信息");
+        } catch (Exception e) {
+            log.error("获取检查详情失败", e);
+            return R.fail("获取检查详情失败: " + e.getMessage());
+        }
+    }
+}
diff --git a/healthlink-his-server/healthlink-his-application/src/main/java/com/healthlink/his/web/knowledgegraph/dto/KgDiseaseDto.java b/healthlink-his-server/healthlink-his-application/src/main/java/com/healthlink/his/web/knowledgegraph/dto/KgDiseaseDto.java
new file mode 100644
index 000000000..86c728731
--- /dev/null
+++ b/healthlink-his-server/healthlink-his-application/src/main/java/com/healthlink/his/web/knowledgegraph/dto/KgDiseaseDto.java
@@ -0,0 +1,27 @@
+package com.healthlink.his.web.knowledgegraph.dto;
+
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+import com.fasterxml.jackson.databind.annotation.JsonSerialize;
+import com.fasterxml.jackson.databind.ser.std.ToStringSerializer;
+import lombok.Data;
+
+import java.io.Serializable;
+
+@Data
+@JsonIgnoreProperties(ignoreUnknown = true)
+public class KgDiseaseDto implements Serializable {
+    private static final long serialVersionUID = 1L;
+
+    @JsonSerialize(using = ToStringSerializer.class)
+    private Long id;
+
+    private String diseaseCode;
+
+    private String diseaseName;
+
+    private String category;
+
+    private String department;
+
+    private String severityLevel;
+}
diff --git a/healthlink-his-server/healthlink-his-application/src/main/java/com/healthlink/his/web/knowledgegraph/dto/KgDrugDto.java b/healthlink-his-server/healthlink-his-application/src/main/java/com/healthlink/his/web/knowledgegraph/dto/KgDrugDto.java
new file mode 100644
index 000000000..dc2de755d
--- /dev/null
+++ b/healthlink-his-server/healthlink-his-application/src/main/java/com/healthlink/his/web/knowledgegraph/dto/KgDrugDto.java
@@ -0,0 +1,29 @@
+package com.healthlink.his.web.knowledgegraph.dto;
+
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+import com.fasterxml.jackson.databind.annotation.JsonSerialize;
+import com.fasterxml.jackson.databind.ser.std.ToStringSerializer;
+import lombok.Data;
+
+import java.io.Serializable;
+
+@Data
+@JsonIgnoreProperties(ignoreUnknown = true)
+public class KgDrugDto implements Serializable {
+    private static final long serialVersionUID = 1L;
+
+    @JsonSerialize(using = ToStringSerializer.class)
+    private Long id;
+
+    private String drugCode;
+
+    private String drugName;
+
+    private String genericName;
+
+    private String category;
+
+    private String dosageForm;
+
+    private String contraindications;
+}
diff --git a/healthlink-his-server/healthlink-his-application/src/main/java/com/healthlink/his/web/knowledgegraph/dto/KgExaminationDto.java b/healthlink-his-server/healthlink-his-application/src/main/java/com/healthlink/his/web/knowledgegraph/dto/KgExaminationDto.java
new file mode 100644
index 000000000..c79663d5d
--- /dev/null
+++ b/healthlink-his-server/healthlink-his-application/src/main/java/com/healthlink/his/web/knowledgegraph/dto/KgExaminationDto.java
@@ -0,0 +1,27 @@
+package com.healthlink.his.web.knowledgegraph.dto;
+
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+import com.fasterxml.jackson.databind.annotation.JsonSerialize;
+import com.fasterxml.jackson.databind.ser.std.ToStringSerializer;
+import lombok.Data;
+
+import java.io.Serializable;
+
+@Data
+@JsonIgnoreProperties(ignoreUnknown = true)
+public class KgExaminationDto implements Serializable {
+    private static final long serialVersionUID = 1L;
+
+    @JsonSerialize(using = ToStringSerializer.class)
+    private Long id;
+
+    private String examCode;
+
+    private String examName;
+
+    private String examType;
+
+    private String department;
+
+    private String referenceRange;
+}
diff --git a/healthlink-his-server/healthlink-his-application/src/main/java/com/healthlink/his/web/knowledgegraph/dto/KgSymptomDto.java b/healthlink-his-server/healthlink-his-application/src/main/java/com/healthlink/his/web/knowledgegraph/dto/KgSymptomDto.java
new file mode 100644
index 000000000..3cbbf5440
--- /dev/null
+++ b/healthlink-his-server/healthlink-his-application/src/main/java/com/healthlink/his/web/knowledgegraph/dto/KgSymptomDto.java
@@ -0,0 +1,25 @@
+package com.healthlink.his.web.knowledgegraph.dto;
+
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+import com.fasterxml.jackson.databind.annotation.JsonSerialize;
+import com.fasterxml.jackson.databind.ser.std.ToStringSerializer;
+import lombok.Data;
+
+import java.io.Serializable;
+
+@Data
+@JsonIgnoreProperties(ignoreUnknown = true)
+public class KgSymptomDto implements Serializable {
+    private static final long serialVersionUID = 1L;
+
+    @JsonSerialize(using = ToStringSerializer.class)
+    private Long id;
+
+    private String symptomCode;
+
+    private String symptomName;
+
+    private String bodyPart;
+
+    private String symptomType;
+}
diff --git a/healthlink-his-server/healthlink-his-domain/src/main/java/com/healthlink/his/knowledgegraph/domain/KgDisease.java b/healthlink-his-server/healthlink-his-domain/src/main/java/com/healthlink/his/knowledgegraph/domain/KgDisease.java
new file mode 100644
index 000000000..118de459f
--- /dev/null
+++ b/healthlink-his-server/healthlink-his-domain/src/main/java/com/healthlink/his/knowledgegraph/domain/KgDisease.java
@@ -0,0 +1,32 @@
+package com.healthlink.his.knowledgegraph.domain;
+
+import com.baomidou.mybatisplus.annotation.IdType;
+import com.baomidou.mybatisplus.annotation.TableId;
+import com.baomidou.mybatisplus.annotation.TableName;
+import com.core.common.core.domain.HisBaseEntity;
+import com.fasterxml.jackson.databind.annotation.JsonSerialize;
+import com.fasterxml.jackson.databind.ser.std.ToStringSerializer;
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+import lombok.experimental.Accessors;
+
+@Data
+@EqualsAndHashCode(callSuper = false)
+@Accessors(chain = true)
+@TableName("kg_disease")
+public class KgDisease extends HisBaseEntity {
+
+    @TableId(type = IdType.ASSIGN_ID)
+    @JsonSerialize(using = ToStringSerializer.class)
+    private Long id;
+
+    private String diseaseCode;
+
+    private String diseaseName;
+
+    private String category;
+
+    private String department;
+
+    private String severityLevel;
+}
diff --git a/healthlink-his-server/healthlink-his-domain/src/main/java/com/healthlink/his/knowledgegraph/domain/KgDrug.java b/healthlink-his-server/healthlink-his-domain/src/main/java/com/healthlink/his/knowledgegraph/domain/KgDrug.java
new file mode 100644
index 000000000..c1a7ae21a
--- /dev/null
+++ b/healthlink-his-server/healthlink-his-domain/src/main/java/com/healthlink/his/knowledgegraph/domain/KgDrug.java
@@ -0,0 +1,34 @@
+package com.healthlink.his.knowledgegraph.domain;
+
+import com.baomidou.mybatisplus.annotation.IdType;
+import com.baomidou.mybatisplus.annotation.TableId;
+import com.baomidou.mybatisplus.annotation.TableName;
+import com.core.common.core.domain.HisBaseEntity;
+import com.fasterxml.jackson.databind.annotation.JsonSerialize;
+import com.fasterxml.jackson.databind.ser.std.ToStringSerializer;
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+import lombok.experimental.Accessors;
+
+@Data
+@EqualsAndHashCode(callSuper = false)
+@Accessors(chain = true)
+@TableName("kg_drug")
+public class KgDrug extends HisBaseEntity {
+
+    @TableId(type = IdType.ASSIGN_ID)
+    @JsonSerialize(using = ToStringSerializer.class)
+    private Long id;
+
+    private String drugCode;
+
+    private String drugName;
+
+    private String genericName;
+
+    private String category;
+
+    private String dosageForm;
+
+    private String contraindications;
+}
diff --git a/healthlink-his-server/healthlink-his-domain/src/main/java/com/healthlink/his/knowledgegraph/domain/KgExamination.java b/healthlink-his-server/healthlink-his-domain/src/main/java/com/healthlink/his/knowledgegraph/domain/KgExamination.java
new file mode 100644
index 000000000..8aba928a9
--- /dev/null
+++ b/healthlink-his-server/healthlink-his-domain/src/main/java/com/healthlink/his/knowledgegraph/domain/KgExamination.java
@@ -0,0 +1,32 @@
+package com.healthlink.his.knowledgegraph.domain;
+
+import com.baomidou.mybatisplus.annotation.IdType;
+import com.baomidou.mybatisplus.annotation.TableId;
+import com.baomidou.mybatisplus.annotation.TableName;
+import com.core.common.core.domain.HisBaseEntity;
+import com.fasterxml.jackson.databind.annotation.JsonSerialize;
+import com.fasterxml.jackson.databind.ser.std.ToStringSerializer;
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+import lombok.experimental.Accessors;
+
+@Data
+@EqualsAndHashCode(callSuper = false)
+@Accessors(chain = true)
+@TableName("kg_examination")
+public class KgExamination extends HisBaseEntity {
+
+    @TableId(type = IdType.ASSIGN_ID)
+    @JsonSerialize(using = ToStringSerializer.class)
+    private Long id;
+
+    private String examCode;
+
+    private String examName;
+
+    private String examType;
+
+    private String department;
+
+    private String referenceRange;
+}
diff --git a/healthlink-his-server/healthlink-his-domain/src/main/java/com/healthlink/his/knowledgegraph/domain/KgSymptom.java b/healthlink-his-server/healthlink-his-domain/src/main/java/com/healthlink/his/knowledgegraph/domain/KgSymptom.java
new file mode 100644
index 000000000..24bc07bf3
--- /dev/null
+++ b/healthlink-his-server/healthlink-his-domain/src/main/java/com/healthlink/his/knowledgegraph/domain/KgSymptom.java
@@ -0,0 +1,30 @@
+package com.healthlink.his.knowledgegraph.domain;
+
+import com.baomidou.mybatisplus.annotation.IdType;
+import com.baomidou.mybatisplus.annotation.TableId;
+import com.baomidou.mybatisplus.annotation.TableName;
+import com.core.common.core.domain.HisBaseEntity;
+import com.fasterxml.jackson.databind.annotation.JsonSerialize;
+import com.fasterxml.jackson.databind.ser.std.ToStringSerializer;
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+import lombok.experimental.Accessors;
+
+@Data
+@EqualsAndHashCode(callSuper = false)
+@Accessors(chain = true)
+@TableName("kg_symptom")
+public class KgSymptom extends HisBaseEntity {
+
+    @TableId(type = IdType.ASSIGN_ID)
+    @JsonSerialize(using = ToStringSerializer.class)
+    private Long id;
+
+    private String symptomCode;
+
+    private String symptomName;
+
+    private String bodyPart;
+
+    private String symptomType;
+}
diff --git a/healthlink-his-server/healthlink-his-domain/src/main/java/com/healthlink/his/knowledgegraph/mapper/KgDiseaseMapper.java b/healthlink-his-server/healthlink-his-domain/src/main/java/com/healthlink/his/knowledgegraph/mapper/KgDiseaseMapper.java
new file mode 100644
index 000000000..66015d9cb
--- /dev/null
+++ b/healthlink-his-server/healthlink-his-domain/src/main/java/com/healthlink/his/knowledgegraph/mapper/KgDiseaseMapper.java
@@ -0,0 +1,9 @@
+package com.healthlink.his.knowledgegraph.mapper;
+
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import com.healthlink.his.knowledgegraph.domain.KgDisease;
+import org.apache.ibatis.annotations.Mapper;
+
+@Mapper
+public interface KgDiseaseMapper extends BaseMapper<KgDisease> {
+}
diff --git a/healthlink-his-server/healthlink-his-domain/src/main/java/com/healthlink/his/knowledgegraph/mapper/KgDrugMapper.java b/healthlink-his-server/healthlink-his-domain/src/main/java/com/healthlink/his/knowledgegraph/mapper/KgDrugMapper.java
new file mode 100644
index 000000000..0952e6a7a
--- /dev/null
+++ b/healthlink-his-server/healthlink-his-domain/src/main/java/com/healthlink/his/knowledgegraph/mapper/KgDrugMapper.java
@@ -0,0 +1,9 @@
+package com.healthlink.his.knowledgegraph.mapper;
+
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import com.healthlink.his.knowledgegraph.domain.KgDrug;
+import org.apache.ibatis.annotations.Mapper;
+
+@Mapper
+public interface KgDrugMapper extends BaseMapper<KgDrug> {
+}
diff --git a/healthlink-his-server/healthlink-his-domain/src/main/java/com/healthlink/his/knowledgegraph/mapper/KgExaminationMapper.java b/healthlink-his-server/healthlink-his-domain/src/main/java/com/healthlink/his/knowledgegraph/mapper/KgExaminationMapper.java
new file mode 100644
index 000000000..7e209ed34
--- /dev/null
+++ b/healthlink-his-server/healthlink-his-domain/src/main/java/com/healthlink/his/knowledgegraph/mapper/KgExaminationMapper.java
@@ -0,0 +1,9 @@
+package com.healthlink.his.knowledgegraph.mapper;
+
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import com.healthlink.his.knowledgegraph.domain.KgExamination;
+import org.apache.ibatis.annotations.Mapper;
+
+@Mapper
+public interface KgExaminationMapper extends BaseMapper<KgExamination> {
+}
diff --git a/healthlink-his-server/healthlink-his-domain/src/main/java/com/healthlink/his/knowledgegraph/mapper/KgSymptomMapper.java b/healthlink-his-server/healthlink-his-domain/src/main/java/com/healthlink/his/knowledgegraph/mapper/KgSymptomMapper.java
new file mode 100644
index 000000000..869d6bbb0
--- /dev/null
+++ b/healthlink-his-server/healthlink-his-domain/src/main/java/com/healthlink/his/knowledgegraph/mapper/KgSymptomMapper.java
@@ -0,0 +1,9 @@
+package com.healthlink.his.knowledgegraph.mapper;
+
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import com.healthlink.his.knowledgegraph.domain.KgSymptom;
+import org.apache.ibatis.annotations.Mapper;
+
+@Mapper
+public interface KgSymptomMapper extends BaseMapper<KgSymptom> {
+}
diff --git a/healthlink-his-server/healthlink-his-domain/src/main/java/com/healthlink/his/knowledgegraph/service/IKgDiseaseService.java b/healthlink-his-server/healthlink-his-domain/src/main/java/com/healthlink/his/knowledgegraph/service/IKgDiseaseService.java
new file mode 100644
index 000000000..ea8cb55cd
--- /dev/null
+++ b/healthlink-his-server/healthlink-his-domain/src/main/java/com/healthlink/his/knowledgegraph/service/IKgDiseaseService.java
@@ -0,0 +1,7 @@
+package com.healthlink.his.knowledgegraph.service;
+
+import com.baomidou.mybatisplus.extension.service.IService;
+import com.healthlink.his.knowledgegraph.domain.KgDisease;
+
+public interface IKgDiseaseService extends IService<KgDisease> {
+}
diff --git a/healthlink-his-server/healthlink-his-domain/src/main/java/com/healthlink/his/knowledgegraph/service/IKgDrugService.java b/healthlink-his-server/healthlink-his-domain/src/main/java/com/healthlink/his/knowledgegraph/service/IKgDrugService.java
new file mode 100644
index 000000000..60753bc34
--- /dev/null
+++ b/healthlink-his-server/healthlink-his-domain/src/main/java/com/healthlink/his/knowledgegraph/service/IKgDrugService.java
@@ -0,0 +1,7 @@
+package com.healthlink.his.knowledgegraph.service;
+
+import com.baomidou.mybatisplus.extension.service.IService;
+import com.healthlink.his.knowledgegraph.domain.KgDrug;
+
+public interface IKgDrugService extends IService<KgDrug> {
+}
diff --git a/healthlink-his-server/healthlink-his-domain/src/main/java/com/healthlink/his/knowledgegraph/service/IKgExaminationService.java b/healthlink-his-server/healthlink-his-domain/src/main/java/com/healthlink/his/knowledgegraph/service/IKgExaminationService.java
new file mode 100644
index 000000000..96fc9c490
--- /dev/null
+++ b/healthlink-his-server/healthlink-his-domain/src/main/java/com/healthlink/his/knowledgegraph/service/IKgExaminationService.java
@@ -0,0 +1,7 @@
+package com.healthlink.his.knowledgegraph.service;
+
+import com.baomidou.mybatisplus.extension.service.IService;
+import com.healthlink.his.knowledgegraph.domain.KgExamination;
+
+public interface IKgExaminationService extends IService<KgExamination> {
+}
diff --git a/healthlink-his-server/healthlink-his-domain/src/main/java/com/healthlink/his/knowledgegraph/service/IKgSymptomService.java b/healthlink-his-server/healthlink-his-domain/src/main/java/com/healthlink/his/knowledgegraph/service/IKgSymptomService.java
new file mode 100644
index 000000000..4ecb02441
--- /dev/null
+++ b/healthlink-his-server/healthlink-his-domain/src/main/java/com/healthlink/his/knowledgegraph/service/IKgSymptomService.java
@@ -0,0 +1,7 @@
+package com.healthlink.his.knowledgegraph.service;
+
+import com.baomidou.mybatisplus.extension.service.IService;
+import com.healthlink.his.knowledgegraph.domain.KgSymptom;
+
+public interface IKgSymptomService extends IService<KgSymptom> {
+}
diff --git a/healthlink-his-server/healthlink-his-domain/src/main/java/com/healthlink/his/knowledgegraph/service/impl/KgDiseaseServiceImpl.java b/healthlink-his-server/healthlink-his-domain/src/main/java/com/healthlink/his/knowledgegraph/service/impl/KgDiseaseServiceImpl.java
new file mode 100644
index 000000000..55da16944
--- /dev/null
+++ b/healthlink-his-server/healthlink-his-domain/src/main/java/com/healthlink/his/knowledgegraph/service/impl/KgDiseaseServiceImpl.java
@@ -0,0 +1,11 @@
+package com.healthlink.his.knowledgegraph.service.impl;
+
+import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
+import com.healthlink.his.knowledgegraph.domain.KgDisease;
+import com.healthlink.his.knowledgegraph.mapper.KgDiseaseMapper;
+import com.healthlink.his.knowledgegraph.service.IKgDiseaseService;
+import org.springframework.stereotype.Service;
+
+@Service
+public class KgDiseaseServiceImpl extends ServiceImpl<KgDiseaseMapper, KgDisease> implements IKgDiseaseService {
+}
diff --git a/healthlink-his-server/healthlink-his-domain/src/main/java/com/healthlink/his/knowledgegraph/service/impl/KgDrugServiceImpl.java b/healthlink-his-server/healthlink-his-domain/src/main/java/com/healthlink/his/knowledgegraph/service/impl/KgDrugServiceImpl.java
new file mode 100644
index 000000000..41dcfa917
--- /dev/null
+++ b/healthlink-his-server/healthlink-his-domain/src/main/java/com/healthlink/his/knowledgegraph/service/impl/KgDrugServiceImpl.java
@@ -0,0 +1,11 @@
+package com.healthlink.his.knowledgegraph.service.impl;
+
+import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
+import com.healthlink.his.knowledgegraph.domain.KgDrug;
+import com.healthlink.his.knowledgegraph.mapper.KgDrugMapper;
+import com.healthlink.his.knowledgegraph.service.IKgDrugService;
+import org.springframework.stereotype.Service;
+
+@Service
+public class KgDrugServiceImpl extends ServiceImpl<KgDrugMapper, KgDrug> implements IKgDrugService {
+}
diff --git a/healthlink-his-server/healthlink-his-domain/src/main/java/com/healthlink/his/knowledgegraph/service/impl/KgExaminationServiceImpl.java b/healthlink-his-server/healthlink-his-domain/src/main/java/com/healthlink/his/knowledgegraph/service/impl/KgExaminationServiceImpl.java
new file mode 100644
index 000000000..a180b3b0f
--- /dev/null
+++ b/healthlink-his-server/healthlink-his-domain/src/main/java/com/healthlink/his/knowledgegraph/service/impl/KgExaminationServiceImpl.java
@@ -0,0 +1,11 @@
+package com.healthlink.his.knowledgegraph.service.impl;
+
+import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
+import com.healthlink.his.knowledgegraph.domain.KgExamination;
+import com.healthlink.his.knowledgegraph.mapper.KgExaminationMapper;
+import com.healthlink.his.knowledgegraph.service.IKgExaminationService;
+import org.springframework.stereotype.Service;
+
+@Service
+public class KgExaminationServiceImpl extends ServiceImpl<KgExaminationMapper, KgExamination> implements IKgExaminationService {
+}
diff --git a/healthlink-his-server/healthlink-his-domain/src/main/java/com/healthlink/his/knowledgegraph/service/impl/KgSymptomServiceImpl.java b/healthlink-his-server/healthlink-his-domain/src/main/java/com/healthlink/his/knowledgegraph/service/impl/KgSymptomServiceImpl.java
new file mode 100644
index 000000000..2b43d4ace
--- /dev/null
+++ b/healthlink-his-server/healthlink-his-domain/src/main/java/com/healthlink/his/knowledgegraph/service/impl/KgSymptomServiceImpl.java
@@ -0,0 +1,11 @@
+package com.healthlink.his.knowledgegraph.service.impl;
+
+import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
+import com.healthlink.his.knowledgegraph.domain.KgSymptom;
+import com.healthlink.his.knowledgegraph.mapper.KgSymptomMapper;
+import com.healthlink.his.knowledgegraph.service.IKgSymptomService;
+import org.springframework.stereotype.Service;
+
+@Service
+public class KgSymptomServiceImpl extends ServiceImpl<KgSymptomMapper, KgSymptom> implements IKgSymptomService {
+}
diff --git a/healthlink-his-server/healthlink-his-domain/src/main/resources/mapper/knowledgegraph/KgDiseaseMapper.xml b/healthlink-his-server/healthlink-his-domain/src/main/resources/mapper/knowledgegraph/KgDiseaseMapper.xml
new file mode 100644
index 000000000..e22c95609
--- /dev/null
+++ b/healthlink-his-server/healthlink-his-domain/src/main/resources/mapper/knowledgegraph/KgDiseaseMapper.xml
@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<!DOCTYPE mapper
+        PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
+        "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
+<mapper namespace="com.healthlink.his.knowledgegraph.mapper.KgDiseaseMapper">
+
+</mapper>
diff --git a/healthlink-his-server/healthlink-his-domain/src/main/resources/mapper/knowledgegraph/KgDrugMapper.xml b/healthlink-his-server/healthlink-his-domain/src/main/resources/mapper/knowledgegraph/KgDrugMapper.xml
new file mode 100644
index 000000000..621c2438f
--- /dev/null
+++ b/healthlink-his-server/healthlink-his-domain/src/main/resources/mapper/knowledgegraph/KgDrugMapper.xml
@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<!DOCTYPE mapper
+        PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
+        "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
+<mapper namespace="com.healthlink.his.knowledgegraph.mapper.KgDrugMapper">
+
+</mapper>
diff --git a/healthlink-his-server/healthlink-his-domain/src/main/resources/mapper/knowledgegraph/KgExaminationMapper.xml b/healthlink-his-server/healthlink-his-domain/src/main/resources/mapper/knowledgegraph/KgExaminationMapper.xml
new file mode 100644
index 000000000..8f892b05b
--- /dev/null
+++ b/healthlink-his-server/healthlink-his-domain/src/main/resources/mapper/knowledgegraph/KgExaminationMapper.xml
@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<!DOCTYPE mapper
+        PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
+        "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
+<mapper namespace="com.healthlink.his.knowledgegraph.mapper.KgExaminationMapper">
+
+</mapper>
diff --git a/healthlink-his-server/healthlink-his-domain/src/main/resources/mapper/knowledgegraph/KgSymptomMapper.xml b/healthlink-his-server/healthlink-his-domain/src/main/resources/mapper/knowledgegraph/KgSymptomMapper.xml
new file mode 100644
index 000000000..0513b3064
--- /dev/null
+++ b/healthlink-his-server/healthlink-his-domain/src/main/resources/mapper/knowledgegraph/KgSymptomMapper.xml
@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<!DOCTYPE mapper
+        PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
+        "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
+<mapper namespace="com.healthlink.his.knowledgegraph.mapper.KgSymptomMapper">
+
+</mapper>
diff --git a/healthlink-his-ui/src/api/knowledgegraph/api.js b/healthlink-his-ui/src/api/knowledgegraph/api.js
new file mode 100644
index 000000000..1c8da3dbc
--- /dev/null
+++ b/healthlink-his-ui/src/api/knowledgegraph/api.js
@@ -0,0 +1,105 @@
+import request from '@/utils/request'
+
+export function addDisease(data) {
+  return request({ url: '/knowledgegraph/disease', method: 'post', data })
+}
+
+export function getDiseasePage(params) {
+  return request({ url: '/knowledgegraph/disease/page', method: 'get', params })
+}
+
+export function getDiseaseById(id) {
+  return request({ url: '/knowledgegraph/disease/' + id, method: 'get' })
+}
+
+export function updateDisease(data) {
+  return request({ url: '/knowledgegraph/disease', method: 'put', data })
+}
+
+export function deleteDisease(id) {
+  return request({ url: '/knowledgegraph/disease/' + id, method: 'delete' })
+}
+
+export function addSymptom(data) {
+  return request({ url: '/knowledgegraph/symptom', method: 'post', data })
+}
+
+export function getSymptomPage(params) {
+  return request({ url: '/knowledgegraph/symptom/page', method: 'get', params })
+}
+
+export function getSymptomById(id) {
+  return request({ url: '/knowledgegraph/symptom/' + id, method: 'get' })
+}
+
+export function updateSymptom(data) {
+  return request({ url: '/knowledgegraph/symptom', method: 'put', data })
+}
+
+export function deleteSymptom(id) {
+  return request({ url: '/knowledgegraph/symptom/' + id, method: 'delete' })
+}
+
+export function addDrug(data) {
+  return request({ url: '/knowledgegraph/drug', method: 'post', data })
+}
+
+export function getDrugPage(params) {
+  return request({ url: '/knowledgegraph/drug/page', method: 'get', params })
+}
+
+export function getDrugById(id) {
+  return request({ url: '/knowledgegraph/drug/' + id, method: 'get' })
+}
+
+export function updateDrug(data) {
+  return request({ url: '/knowledgegraph/drug', method: 'put', data })
+}
+
+export function deleteDrug(id) {
+  return request({ url: '/knowledgegraph/drug/' + id, method: 'delete' })
+}
+
+export function addExamination(data) {
+  return request({ url: '/knowledgegraph/examination', method: 'post', data })
+}
+
+export function getExaminationPage(params) {
+  return request({ url: '/knowledgegraph/examination/page', method: 'get', params })
+}
+
+export function getExaminationById(id) {
+  return request({ url: '/knowledgegraph/examination/' + id, method: 'get' })
+}
+
+export function updateExamination(data) {
+  return request({ url: '/knowledgegraph/examination', method: 'put', data })
+}
+
+export function deleteExamination(id) {
+  return request({ url: '/knowledgegraph/examination/' + id, method: 'delete' })
+}
+
+export function createRelation(data) {
+  return request({ url: '/knowledgegraph/relation', method: 'post', data })
+}
+
+export function getRelationPage(params) {
+  return request({ url: '/knowledgegraph/relation/page', method: 'get', params })
+}
+
+export function getRelationGraph(entityType, entityId) {
+  return request({ url: `/knowledgegraph/relation/graph/${entityType}/${entityId}`, method: 'get' })
+}
+
+export function createPathway(data) {
+  return request({ url: '/knowledgegraph/pathway', method: 'post', data })
+}
+
+export function getPathwayPage(params) {
+  return request({ url: '/knowledgegraph/pathway/page', method: 'get', params })
+}
+
+export function getPathwaySteps(id) {
+  return request({ url: `/knowledgegraph/pathway/${id}/steps`, method: 'get' })
+}
diff --git a/healthlink-his-ui/src/views/knowledgegraph/DiseaseForm.vue b/healthlink-his-ui/src/views/knowledgegraph/DiseaseForm.vue
new file mode 100644
index 000000000..7f116e76c
--- /dev/null
+++ b/healthlink-his-ui/src/views/knowledgegraph/DiseaseForm.vue
@@ -0,0 +1,94 @@
+<template>
+  <el-dialog :model-value="visible" :title="form.id ? '编辑疾病' : '新增疾病'" width="600px" @close="handleClose">
+    <el-form ref="formRef" :model="form" :rules="rules" label-width="100px">
+      <el-form-item label="疾病编码" prop="diseaseCode">
+        <el-input v-model="form.diseaseCode" placeholder="请输入疾病编码" />
+      </el-form-item>
+      <el-form-item label="疾病名称" prop="diseaseName">
+        <el-input v-model="form.diseaseName" placeholder="请输入疾病名称" />
+      </el-form-item>
+      <el-form-item label="疾病分类" prop="category">
+        <el-input v-model="form.category" placeholder="请输入疾病分类" />
+      </el-form-item>
+      <el-form-item label="所属科室" prop="department">
+        <el-input v-model="form.department" placeholder="请输入所属科室" />
+      </el-form-item>
+      <el-form-item label="严重等级" prop="severityLevel">
+        <el-select v-model="form.severityLevel" placeholder="请选择严重等级" clearable style="width:100%">
+          <el-option label="轻度" value="MILD" />
+          <el-option label="中度" value="MODERATE" />
+          <el-option label="重度" value="SEVERE" />
+          <el-option label="危重" value="CRITICAL" />
+        </el-select>
+      </el-form-item>
+    </el-form>
+    <template #footer>
+      <el-button @click="handleClose">取消</el-button>
+      <el-button type="primary" :loading="submitting" @click="handleSubmit">确定</el-button>
+    </template>
+  </el-dialog>
+</template>
+
+<script setup>
+import { ref, reactive, watch } from 'vue'
+import { addDisease, updateDisease } from '@/api/knowledgegraph/api'
+import { ElMessage } from 'element-plus'
+
+const props = defineProps({
+  visible: Boolean,
+  data: { type: Object, default: () => ({}) }
+})
+
+const emit = defineEmits(['update:visible', 'success'])
+
+const formRef = ref(null)
+const submitting = ref(false)
+
+const form = reactive({
+  id: undefined,
+  diseaseCode: '',
+  diseaseName: '',
+  category: '',
+  department: '',
+  severityLevel: ''
+})
+
+const rules = {
+  diseaseCode: [{ required: true, message: '请输入疾病编码', trigger: 'blur' }],
+  diseaseName: [{ required: true, message: '请输入疾病名称', trigger: 'blur' }]
+}
+
+watch(() => props.visible, (val) => {
+  if (val && props.data && props.data.id) {
+    Object.assign(form, props.data)
+  } else {
+    Object.assign(form, { id: undefined, diseaseCode: '', diseaseName: '', category: '', department: '', severityLevel: '' })
+  }
+})
+
+function handleClose() {
+  emit('update:visible', false)
+}
+
+async function handleSubmit() {
+  try {
+    await formRef.value.validate()
+  } catch {
+    return
+  }
+  submitting.value = true
+  try {
+    if (form.id) {
+      await updateDisease({ ...form })
+      ElMessage.success('更新成功')
+    } else {
+      await addDisease({ ...form })
+      ElMessage.success('创建成功')
+    }
+    emit('update:visible', false)
+    emit('success')
+  } finally {
+    submitting.value = false
+  }
+}
+</script>
diff --git a/healthlink-his-ui/src/views/knowledgegraph/DiseaseList.vue b/healthlink-his-ui/src/views/knowledgegraph/DiseaseList.vue
new file mode 100644
index 000000000..35568693b
--- /dev/null
+++ b/healthlink-his-ui/src/views/knowledgegraph/DiseaseList.vue
@@ -0,0 +1,121 @@
+<template>
+  <div class="app-container">
+    <el-form :model="queryParams" ref="queryFormRef" :inline="true" v-show="showSearch" label-width="80px">
+      <el-form-item label="关键词" prop="keyword">
+        <el-input v-model="queryParams.keyword" placeholder="疾病名称/编码" clearable style="width:200px" @keyup.enter="handleQuery" />
+      </el-form-item>
+      <el-form-item label="疾病分类" prop="category">
+        <el-input v-model="queryParams.category" placeholder="分类" clearable style="width:160px" />
+      </el-form-item>
+      <el-form-item>
+        <el-button type="primary" icon="Search" @click="handleQuery">搜索</el-button>
+        <el-button icon="Refresh" @click="resetQuery">重置</el-button>
+      </el-form-item>
+    </el-form>
+
+    <el-row :gutter="10" class="mb8">
+      <el-col :span="1.5">
+        <el-button type="primary" plain icon="Plus" @click="handleAdd">新增</el-button>
+      </el-col>
+    </el-row>
+
+    <el-table v-loading="loading" :data="tableData" border stripe>
+      <el-table-column type="index" label="序号" width="60" align="center" />
+      <el-table-column prop="diseaseCode" label="疾病编码" width="140" show-overflow-tooltip />
+      <el-table-column prop="diseaseName" label="疾病名称" min-width="180" show-overflow-tooltip />
+      <el-table-column prop="category" label="疾病分类" width="140" show-overflow-tooltip />
+      <el-table-column prop="department" label="所属科室" width="120" show-overflow-tooltip />
+      <el-table-column prop="severityLevel" label="严重等级" width="100" align="center">
+        <template #default="{ row }">
+          <el-tag v-if="row.severityLevel" :type="severityType(row.severityLevel)" size="small">
+            {{ severityLabel(row.severityLevel) }}
+          </el-tag>
+        </template>
+      </el-table-column>
+      <el-table-column prop="createTime" label="创建时间" width="170" />
+      <el-table-column label="操作" width="150" align="center" fixed="right">
+        <template #default="{ row }">
+          <el-button link type="primary" icon="Edit" @click="handleEdit(row)">编辑</el-button>
+          <el-button link type="danger" icon="Delete" @click="handleDelete(row)">删除</el-button>
+        </template>
+      </el-table-column>
+    </el-table>
+
+    <pagination v-show="total > 0" v-model:page="queryParams.pageNo" v-model:limit="queryParams.pageSize" :total="total" @pagination="getList" />
+
+    <DiseaseForm v-model:visible="showForm" :data="currentRow" @success="getList" />
+  </div>
+</template>
+
+<script setup name="KgDiseaseList">
+import { ref, reactive, onMounted } from 'vue'
+import { getDiseasePage, deleteDisease } from '@/api/knowledgegraph/api'
+import DiseaseForm from './DiseaseForm.vue'
+import { ElMessage, ElMessageBox } from 'element-plus'
+
+const { proxy } = getCurrentInstance()
+
+const tableData = ref([])
+const loading = ref(false)
+const showSearch = ref(true)
+const total = ref(0)
+const showForm = ref(false)
+const currentRow = ref({})
+
+const queryParams = reactive({
+  pageNo: 1,
+  pageSize: 10,
+  keyword: '',
+  category: ''
+})
+
+const severityMap = { MILD: '轻度', MODERATE: '中度', SEVERE: '重度', CRITICAL: '危重' }
+const severityTypeMap = { MILD: 'info', MODERATE: '', SEVERE: 'warning', CRITICAL: 'danger' }
+const severityLabel = (v) => severityMap[v] || v
+const severityType = (v) => severityTypeMap[v] || 'info'
+
+async function getList() {
+  loading.value = true
+  try {
+    const res = await getDiseasePage(queryParams)
+    if (res.code === 200) {
+      tableData.value = res.data?.records || []
+      total.value = res.data?.total || 0
+    }
+  } finally {
+    loading.value = false
+  }
+}
+
+function handleQuery() {
+  queryParams.pageNo = 1
+  getList()
+}
+
+function resetQuery() {
+  queryParams.keyword = ''
+  queryParams.category = ''
+  handleQuery()
+}
+
+function handleAdd() {
+  currentRow.value = {}
+  showForm.value = true
+}
+
+function handleEdit(row) {
+  currentRow.value = { ...row }
+  showForm.value = true
+}
+
+function handleDelete(row) {
+  ElMessageBox.confirm('确认删除该疾病吗？', '提示', { type: 'warning' })
+    .then(() => deleteDisease(row.id))
+    .then(() => {
+      ElMessage.success('删除成功')
+      getList()
+    })
+}
+
+onMounted(() => getList())
+</script>
diff --git a/healthlink-his-ui/src/views/knowledgegraph/DrugList.vue b/healthlink-his-ui/src/views/knowledgegraph/DrugList.vue
new file mode 100644
index 000000000..16b233aa7
--- /dev/null
+++ b/healthlink-his-ui/src/views/knowledgegraph/DrugList.vue
@@ -0,0 +1,146 @@
+<template>
+  <div class="app-container">
+    <el-form :model="queryParams" ref="queryFormRef" :inline="true" v-show="showSearch" label-width="80px">
+      <el-form-item label="关键词" prop="keyword">
+        <el-input v-model="queryParams.keyword" placeholder="药物名称/编码" clearable style="width:200px" @keyup.enter="handleQuery" />
+      </el-form-item>
+      <el-form-item label="药物分类" prop="category">
+        <el-input v-model="queryParams.category" placeholder="分类" clearable style="width:160px" />
+      </el-form-item>
+      <el-form-item>
+        <el-button type="primary" icon="Search" @click="handleQuery">搜索</el-button>
+        <el-button icon="Refresh" @click="resetQuery">重置</el-button>
+      </el-form-item>
+    </el-form>
+
+    <el-row :gutter="10" class="mb8">
+      <el-col :span="1.5">
+        <el-button type="primary" plain icon="Plus" @click="handleAdd">新增</el-button>
+      </el-col>
+    </el-row>
+
+    <el-table v-loading="loading" :data="tableData" border stripe>
+      <el-table-column type="index" label="序号" width="60" align="center" />
+      <el-table-column prop="drugCode" label="药物编码" width="140" show-overflow-tooltip />
+      <el-table-column prop="drugName" label="药物名称" min-width="160" show-overflow-tooltip />
+      <el-table-column prop="genericName" label="通用名" min-width="140" show-overflow-tooltip />
+      <el-table-column prop="category" label="药物分类" width="120" show-overflow-tooltip />
+      <el-table-column prop="dosageForm" label="剂型" width="100" align="center" />
+      <el-table-column prop="createTime" label="创建时间" width="170" />
+      <el-table-column label="操作" width="150" align="center" fixed="right">
+        <template #default="{ row }">
+          <el-button link type="primary" icon="Edit" @click="handleEdit(row)">编辑</el-button>
+          <el-button link type="danger" icon="Delete" @click="handleDelete(row)">删除</el-button>
+        </template>
+      </el-table-column>
+    </el-table>
+
+    <pagination v-show="total > 0" v-model:page="queryParams.pageNo" v-model:limit="queryParams.pageSize" :total="total" @pagination="getList" />
+
+    <el-dialog v-model="showForm" :title="form.id ? '编辑药物' : '新增药物'" width="600px" @close="resetForm">
+      <el-form ref="formRef" :model="form" :rules="formRules" label-width="90px">
+        <el-form-item label="药物编码" prop="drugCode">
+          <el-input v-model="form.drugCode" placeholder="请输入药物编码" />
+        </el-form-item>
+        <el-form-item label="药物名称" prop="drugName">
+          <el-input v-model="form.drugName" placeholder="请输入药物名称" />
+        </el-form-item>
+        <el-form-item label="通用名" prop="genericName">
+          <el-input v-model="form.genericName" placeholder="请输入通用名" />
+        </el-form-item>
+        <el-form-item label="药物分类" prop="category">
+          <el-input v-model="form.category" placeholder="请输入药物分类" />
+        </el-form-item>
+        <el-form-item label="剂型" prop="dosageForm">
+          <el-input v-model="form.dosageForm" placeholder="请输入剂型" />
+        </el-form-item>
+        <el-form-item label="禁忌症" prop="contraindications">
+          <el-input v-model="form.contraindications" type="textarea" :rows="3" placeholder="请输入禁忌症" />
+        </el-form-item>
+      </el-form>
+      <template #footer>
+        <el-button @click="showForm = false">取消</el-button>
+        <el-button type="primary" :loading="submitting" @click="handleSubmit">确定</el-button>
+      </template>
+    </el-dialog>
+  </div>
+</template>
+
+<script setup name="KgDrugList">
+import { ref, reactive, onMounted } from 'vue'
+import { getDrugPage, addDrug, updateDrug, deleteDrug } from '@/api/knowledgegraph/api'
+import { ElMessage, ElMessageBox } from 'element-plus'
+
+const { proxy } = getCurrentInstance()
+
+const tableData = ref([])
+const loading = ref(false)
+const showSearch = ref(true)
+const total = ref(0)
+const showForm = ref(false)
+const submitting = ref(false)
+const formRef = ref(null)
+
+const queryParams = reactive({ pageNo: 1, pageSize: 10, keyword: '', category: '' })
+const form = reactive({ id: undefined, drugCode: '', drugName: '', genericName: '', category: '', dosageForm: '', contraindications: '' })
+const formRules = {
+  drugCode: [{ required: true, message: '请输入药物编码', trigger: 'blur' }],
+  drugName: [{ required: true, message: '请输入药物名称', trigger: 'blur' }]
+}
+
+async function getList() {
+  loading.value = true
+  try {
+    const res = await getDrugPage(queryParams)
+    if (res.code === 200) {
+      tableData.value = res.data?.records || []
+      total.value = res.data?.total || 0
+    }
+  } finally {
+    loading.value = false
+  }
+}
+
+function handleQuery() { queryParams.pageNo = 1; getList() }
+function resetQuery() { queryParams.keyword = ''; queryParams.category = ''; handleQuery() }
+
+function handleAdd() {
+  Object.assign(form, { id: undefined, drugCode: '', drugName: '', genericName: '', category: '', dosageForm: '', contraindications: '' })
+  showForm.value = true
+}
+
+function handleEdit(row) {
+  Object.assign(form, row)
+  showForm.value = true
+}
+
+function resetForm() {
+  formRef.value?.resetFields()
+}
+
+function handleDelete(row) {
+  ElMessageBox.confirm('确认删除该药物吗？', '提示', { type: 'warning' })
+    .then(() => deleteDrug(row.id))
+    .then(() => { ElMessage.success('删除成功'); getList() })
+}
+
+async function handleSubmit() {
+  try { await formRef.value.validate() } catch { return }
+  submitting.value = true
+  try {
+    if (form.id) {
+      await updateDrug({ ...form })
+      ElMessage.success('更新成功')
+    } else {
+      await addDrug({ ...form })
+      ElMessage.success('创建成功')
+    }
+    showForm.value = false
+    getList()
+  } finally {
+    submitting.value = false
+  }
+}
+
+onMounted(() => getList())
+</script>
diff --git a/healthlink-his-ui/src/views/knowledgegraph/ExaminationList.vue b/healthlink-his-ui/src/views/knowledgegraph/ExaminationList.vue
new file mode 100644
index 000000000..1b1bdee86
--- /dev/null
+++ b/healthlink-his-ui/src/views/knowledgegraph/ExaminationList.vue
@@ -0,0 +1,143 @@
+<template>
+  <div class="app-container">
+    <el-form :model="queryParams" ref="queryFormRef" :inline="true" v-show="showSearch" label-width="80px">
+      <el-form-item label="关键词" prop="keyword">
+        <el-input v-model="queryParams.keyword" placeholder="检查名称/编码" clearable style="width:200px" @keyup.enter="handleQuery" />
+      </el-form-item>
+      <el-form-item label="检查类型" prop="examType">
+        <el-input v-model="queryParams.examType" placeholder="检查类型" clearable style="width:160px" />
+      </el-form-item>
+      <el-form-item>
+        <el-button type="primary" icon="Search" @click="handleQuery">搜索</el-button>
+        <el-button icon="Refresh" @click="resetQuery">重置</el-button>
+      </el-form-item>
+    </el-form>
+
+    <el-row :gutter="10" class="mb8">
+      <el-col :span="1.5">
+        <el-button type="primary" plain icon="Plus" @click="handleAdd">新增</el-button>
+      </el-col>
+    </el-row>
+
+    <el-table v-loading="loading" :data="tableData" border stripe>
+      <el-table-column type="index" label="序号" width="60" align="center" />
+      <el-table-column prop="examCode" label="检查编码" width="140" show-overflow-tooltip />
+      <el-table-column prop="examName" label="检查名称" min-width="180" show-overflow-tooltip />
+      <el-table-column prop="examType" label="检查类型" width="120" align="center" />
+      <el-table-column prop="department" label="所属科室" width="120" show-overflow-tooltip />
+      <el-table-column prop="referenceRange" label="参考范围" min-width="150" show-overflow-tooltip />
+      <el-table-column prop="createTime" label="创建时间" width="170" />
+      <el-table-column label="操作" width="150" align="center" fixed="right">
+        <template #default="{ row }">
+          <el-button link type="primary" icon="Edit" @click="handleEdit(row)">编辑</el-button>
+          <el-button link type="danger" icon="Delete" @click="handleDelete(row)">删除</el-button>
+        </template>
+      </el-table-column>
+    </el-table>
+
+    <pagination v-show="total > 0" v-model:page="queryParams.pageNo" v-model:limit="queryParams.pageSize" :total="total" @pagination="getList" />
+
+    <el-dialog v-model="showForm" :title="form.id ? '编辑检查' : '新增检查'" width="600px" @close="resetForm">
+      <el-form ref="formRef" :model="form" :rules="formRules" label-width="90px">
+        <el-form-item label="检查编码" prop="examCode">
+          <el-input v-model="form.examCode" placeholder="请输入检查编码" />
+        </el-form-item>
+        <el-form-item label="检查名称" prop="examName">
+          <el-input v-model="form.examName" placeholder="请输入检查名称" />
+        </el-form-item>
+        <el-form-item label="检查类型" prop="examType">
+          <el-input v-model="form.examType" placeholder="请输入检查类型" />
+        </el-form-item>
+        <el-form-item label="所属科室" prop="department">
+          <el-input v-model="form.department" placeholder="请输入所属科室" />
+        </el-form-item>
+        <el-form-item label="参考范围" prop="referenceRange">
+          <el-input v-model="form.referenceRange" placeholder="请输入参考范围" />
+        </el-form-item>
+      </el-form>
+      <template #footer>
+        <el-button @click="showForm = false">取消</el-button>
+        <el-button type="primary" :loading="submitting" @click="handleSubmit">确定</el-button>
+      </template>
+    </el-dialog>
+  </div>
+</template>
+
+<script setup name="KgExaminationList">
+import { ref, reactive, onMounted } from 'vue'
+import { getExaminationPage, addExamination, updateExamination, deleteExamination } from '@/api/knowledgegraph/api'
+import { ElMessage, ElMessageBox } from 'element-plus'
+
+const { proxy } = getCurrentInstance()
+
+const tableData = ref([])
+const loading = ref(false)
+const showSearch = ref(true)
+const total = ref(0)
+const showForm = ref(false)
+const submitting = ref(false)
+const formRef = ref(null)
+
+const queryParams = reactive({ pageNo: 1, pageSize: 10, keyword: '', examType: '' })
+const form = reactive({ id: undefined, examCode: '', examName: '', examType: '', department: '', referenceRange: '' })
+const formRules = {
+  examCode: [{ required: true, message: '请输入检查编码', trigger: 'blur' }],
+  examName: [{ required: true, message: '请输入检查名称', trigger: 'blur' }]
+}
+
+async function getList() {
+  loading.value = true
+  try {
+    const res = await getExaminationPage(queryParams)
+    if (res.code === 200) {
+      tableData.value = res.data?.records || []
+      total.value = res.data?.total || 0
+    }
+  } finally {
+    loading.value = false
+  }
+}
+
+function handleQuery() { queryParams.pageNo = 1; getList() }
+function resetQuery() { queryParams.keyword = ''; queryParams.examType = ''; handleQuery() }
+
+function handleAdd() {
+  Object.assign(form, { id: undefined, examCode: '', examName: '', examType: '', department: '', referenceRange: '' })
+  showForm.value = true
+}
+
+function handleEdit(row) {
+  Object.assign(form, row)
+  showForm.value = true
+}
+
+function resetForm() {
+  formRef.value?.resetFields()
+}
+
+function handleDelete(row) {
+  ElMessageBox.confirm('确认删除该检查吗？', '提示', { type: 'warning' })
+    .then(() => deleteExamination(row.id))
+    .then(() => { ElMessage.success('删除成功'); getList() })
+}
+
+async function handleSubmit() {
+  try { await formRef.value.validate() } catch { return }
+  submitting.value = true
+  try {
+    if (form.id) {
+      await updateExamination({ ...form })
+      ElMessage.success('更新成功')
+    } else {
+      await addExamination({ ...form })
+      ElMessage.success('创建成功')
+    }
+    showForm.value = false
+    getList()
+  } finally {
+    submitting.value = false
+  }
+}
+
+onMounted(() => getList())
+</script>
diff --git a/healthlink-his-ui/src/views/knowledgegraph/KnowledgeGraph.vue b/healthlink-his-ui/src/views/knowledgegraph/KnowledgeGraph.vue
new file mode 100644
index 000000000..2af04cab1
--- /dev/null
+++ b/healthlink-his-ui/src/views/knowledgegraph/KnowledgeGraph.vue
@@ -0,0 +1,178 @@
+<template>
+  <div style="padding:16px">
+    <div style="margin-bottom:16px;display:flex;justify-content:space-between;align-items:center">
+      <span style="font-size:18px;font-weight:bold">知识图谱</span>
+    </div>
+
+    <el-card shadow="never" style="margin-bottom:16px">
+      <el-form inline>
+        <el-form-item label="实体类型">
+          <el-select v-model="entityType" placeholder="请选择" style="width:130px">
+            <el-option label="疾病" value="disease" />
+            <el-option label="症状" value="symptom" />
+            <el-option label="药物" value="drug" />
+            <el-option label="检查" value="exam" />
+          </el-select>
+        </el-form-item>
+        <el-form-item label="实体ID">
+          <el-input v-model="entityId" placeholder="请输入实体ID" style="width:200px" @keyup.enter="loadGraph" />
+        </el-form-item>
+        <el-form-item>
+          <el-button type="primary" @click="loadGraph" :loading="loading">加载图谱</el-button>
+        </el-form-item>
+      </el-form>
+    </el-card>
+
+    <el-card shadow="never">
+      <div ref="chartRef" style="width:100%;height:600px" />
+      <el-empty v-if="!hasData && !loading" description="请输入实体类型和ID，点击加载图谱" />
+    </el-card>
+
+    <el-dialog v-model="showDetail" :title="detailTitle" width="500px" append-to-body>
+      <el-descriptions :column="1" border>
+        <el-descriptions-item label="实体类型">{{ detailNode.entityType }}</el-descriptions-item>
+        <el-descriptions-item label="实体ID">{{ detailNode.entityId }}</el-descriptions-item>
+      </el-descriptions>
+      <div v-if="detailRelations.length" style="margin-top:16px">
+        <div style="font-weight:bold;margin-bottom:8px">关联关系</div>
+        <el-table :data="detailRelations" border size="small">
+          <el-table-column prop="relationType" label="关系" width="120" />
+          <el-table-column prop="target" label="目标" />
+          <el-table-column prop="strength" label="强度" width="80" />
+        </el-table>
+      </div>
+      <template #footer>
+        <el-button @click="showDetail = false">关闭</el-button>
+      </template>
+    </el-dialog>
+  </div>
+</template>
+
+<script setup>
+import { ref, onMounted, onUnmounted, nextTick } from 'vue'
+import * as echarts from 'echarts'
+import { getRelationGraph } from '@/api/knowledgegraph/api'
+
+const chartRef = ref(null)
+const loading = ref(false)
+const hasData = ref(false)
+const entityType = ref('disease')
+const entityId = ref('')
+let chartInstance = null
+
+const showDetail = ref(false)
+const detailTitle = ref('')
+const detailNode = ref({})
+const detailRelations = ref([])
+
+const nodeColorMap = {
+  disease: '#f56c6c',
+  symptom: '#409eff',
+  drug: '#67c23a',
+  exam: '#e6a23c'
+}
+const nodeLabelMap = { disease: '疾病', symptom: '症状', drug: '药物', exam: '检查' }
+const relationLabelMap = {
+  CAUSES: '导致', TREATS: '治疗', CONTRAINDICATES: '禁忌',
+  INTERACTS_WITH: '相互作用', REQUIRES_EXAM: '需要检查',
+  HAS_SYMPTOM: '具有症状', SIDE_EFFECT: '副作用', ALTERNATIVE: '替代'
+}
+
+function initChart() {
+  if (!chartRef.value) return
+  chartInstance = echarts.init(chartRef.value)
+  chartInstance.on('click', (params) => {
+    if (params.dataType === 'node') {
+      handleNodeClick(params.data)
+    }
+  })
+}
+
+function handleNodeClick(data) {
+  detailNode.value = data
+  detailTitle.value = `${nodeLabelMap[data.entityType] || data.entityType} - ${data.entityId}`
+  detailRelations.value = []
+  if (graphData.value) {
+    graphData.value.edges.forEach(e => {
+      if (e.source === data.id) {
+        detailRelations.value.push({ relationType: relationLabelMap[e.relationType] || e.relationType, target: e.target, strength: e.relationStrength })
+      } else if (e.target === data.id) {
+        detailRelations.value.push({ relationType: relationLabelMap[e.relationType] || e.relationType, target: e.source, strength: e.relationStrength })
+      }
+    })
+  }
+  showDetail.value = true
+}
+
+const graphData = ref(null)
+
+function renderChart(data) {
+  if (!chartInstance) return
+  graphData.value = data
+  const nodes = (data.nodes || []).map(n => ({
+    id: n.id,
+    name: n.entityId,
+    symbolSize: 50,
+    itemStyle: { color: nodeColorMap[n.entityType] || '#909399' },
+    label: { show: true, fontSize: 12 },
+    entityType: n.entityType,
+    entityId: n.entityId
+  }))
+  const edges = (data.edges || []).map(e => ({
+    source: e.source,
+    target: e.target,
+    label: { show: true, formatter: relationLabelMap[e.relationType] || e.relationType, fontSize: 10 },
+    lineStyle: { curveness: 0.2 }
+  }))
+
+  chartInstance.setOption({
+    tooltip: { trigger: 'item' },
+    legend: {
+      data: Object.keys(nodeColorMap).map(k => nodeLabelMap[k]),
+      bottom: 10
+    },
+    series: [{
+      type: 'graph',
+      layout: 'force',
+      data: nodes,
+      links: edges,
+      roam: true,
+      draggable: true,
+      force: { repulsion: 400, gravity: 0.1, edgeLength: [120, 250] },
+      emphasis: { focus: 'adjacency', lineStyle: { width: 4 } },
+      categories: Object.keys(nodeColorMap).map(k => ({ name: nodeLabelMap[k] }))
+    }]
+  }, true)
+}
+
+async function loadGraph() {
+  if (!entityId.value) return
+  loading.value = true
+  try {
+    const r = await getRelationGraph(entityType.value, entityId.value)
+    const data = r.data || { nodes: [], edges: [] }
+    hasData.value = data.nodes && data.nodes.length > 0
+    if (hasData.value) {
+      await nextTick()
+      if (!chartInstance) initChart()
+      renderChart(data)
+    }
+  } finally {
+    loading.value = false
+  }
+}
+
+function handleResize() {
+  chartInstance && chartInstance.resize()
+}
+
+onMounted(() => {
+  initChart()
+  window.addEventListener('resize', handleResize)
+})
+
+onUnmounted(() => {
+  window.removeEventListener('resize', handleResize)
+  chartInstance && chartInstance.dispose()
+})
+</script>
diff --git a/healthlink-his-ui/src/views/knowledgegraph/PathwayEdit.vue b/healthlink-his-ui/src/views/knowledgegraph/PathwayEdit.vue
new file mode 100644
index 000000000..b28673f6f
--- /dev/null
+++ b/healthlink-his-ui/src/views/knowledgegraph/PathwayEdit.vue
@@ -0,0 +1,120 @@
+<template>
+  <el-dialog v-model="visible" title="新增临床路径" width="750px" append-to-body @close="handleClose">
+    <el-form ref="formRef" :model="form" :rules="rules" label-width="100px">
+      <el-form-item label="路径编码" prop="pathwayCode">
+        <el-input v-model="form.pathwayCode" placeholder="如: CP-DM-001" />
+      </el-form-item>
+      <el-form-item label="路径名称" prop="pathwayName">
+        <el-input v-model="form.pathwayName" placeholder="如: 2型糖尿病标准路径" />
+      </el-form-item>
+      <el-form-item label="疾病编码">
+        <el-input v-model="form.diseaseCode" placeholder="ICD-10编码" />
+      </el-form-item>
+      <el-form-item label="疾病名称">
+        <el-input v-model="form.diseaseName" placeholder="疾病名称" />
+      </el-form-item>
+      <el-form-item label="标准天数">
+        <el-input-number v-model="form.standardDays" :min="1" :max="365" />
+      </el-form-item>
+      <el-form-item label="路径描述">
+        <el-input v-model="form.description" type="textarea" :rows="3" placeholder="路径说明" />
+      </el-form-item>
+    </el-form>
+
+    <div style="margin-top:16px;display:flex;justify-content:space-between;align-items:center">
+      <span style="font-weight:bold">路径步骤</span>
+      <el-button size="small" type="primary" @click="addStep">添加步骤</el-button>
+    </div>
+
+    <div style="margin-top:8px;min-height:80px;max-height:300px;overflow-y:auto">
+      <div v-for="(step, idx) in steps" :key="idx"
+        style="display:flex;align-items:center;gap:8px;padding:8px;margin-bottom:8px;background:#f5f7fa;border-radius:4px;cursor:move"
+        draggable="true"
+        @dragstart="onDragStart(idx)"
+        @dragover.prevent
+        @drop="onDrop(idx)"
+      >
+        <span style="color:#999;cursor:grab;width:20px;text-align:center">⋮⋮</span>
+        <el-tag size="small" type="info">{{ idx + 1 }}</el-tag>
+        <el-select v-model="step.dayNumber" placeholder="天" style="width:80px" size="small">
+          <el-option v-for="d in 30" :key="d" :label="`第${d}天`" :value="d" />
+        </el-select>
+        <el-select v-model="step.stepType" placeholder="类型" style="width:100px" size="small">
+          <el-option label="检查" value="exam" />
+          <el-option label="治疗" value="treatment" />
+          <el-option label="护理" value="nursing" />
+          <el-option label="用药" value="medication" />
+        </el-select>
+        <el-input v-model="step.stepContent" placeholder="步骤内容" size="small" style="flex:1" />
+        <el-button link type="danger" @click="removeStep(idx)" size="small">删除</el-button>
+      </div>
+      <el-empty v-if="!steps.length" description="点击上方添加步骤" :image-size="60" />
+    </div>
+
+    <template #footer>
+      <el-button @click="handleClose">取消</el-button>
+      <el-button type="primary" :loading="submitting" @click="handleSubmit">确定</el-button>
+    </template>
+  </el-dialog>
+</template>
+
+<script setup>
+import { ref, watch } from 'vue'
+import { ElMessage } from 'element-plus'
+import { createPathway } from '@/api/knowledgegraph/api'
+
+const props = defineProps({ visible: Boolean })
+const emit = defineEmits(['update:visible', 'success'])
+
+const formRef = ref(null)
+const submitting = ref(false)
+const steps = ref([])
+let dragIdx = -1
+
+const defaultForm = () => ({
+  pathwayCode: '', pathwayName: '', diseaseCode: '',
+  diseaseName: '', standardDays: 7, description: ''
+})
+const form = ref(defaultForm())
+
+const rules = {
+  pathwayCode: [{ required: true, message: '请输入路径编码', trigger: 'blur' }],
+  pathwayName: [{ required: true, message: '请输入路径名称', trigger: 'blur' }]
+}
+
+watch(() => props.visible, (v) => {
+  if (v) { form.value = defaultForm(); steps.value = [] }
+})
+
+function handleClose() { emit('update:visible', false) }
+
+function addStep() {
+  steps.value.push({ dayNumber: 1, stepType: 'exam', stepContent: '' })
+}
+
+function removeStep(idx) {
+  steps.value.splice(idx, 1)
+}
+
+function onDragStart(idx) { dragIdx = idx }
+
+function onDrop(idx) {
+  if (dragIdx < 0 || dragIdx === idx) return
+  const item = steps.value.splice(dragIdx, 1)[0]
+  steps.value.splice(idx, 0, item)
+  dragIdx = -1
+}
+
+async function handleSubmit() {
+  await formRef.value.validate()
+  submitting.value = true
+  try {
+    await createPathway({ pathway: form.value, steps: steps.value })
+    ElMessage.success('创建成功')
+    emit('update:visible', false)
+    emit('success')
+  } finally {
+    submitting.value = false
+  }
+}
+</script>
diff --git a/healthlink-his-ui/src/views/knowledgegraph/PathwayList.vue b/healthlink-his-ui/src/views/knowledgegraph/PathwayList.vue
new file mode 100644
index 000000000..7b528fbe5
--- /dev/null
+++ b/healthlink-his-ui/src/views/knowledgegraph/PathwayList.vue
@@ -0,0 +1,119 @@
+<template>
+  <div style="padding:16px">
+    <div style="margin-bottom:16px;display:flex;justify-content:space-between;align-items:center">
+      <span style="font-size:18px;font-weight:bold">临床路径管理</span>
+      <div>
+        <el-button type="primary" @click="loadData">刷新</el-button>
+        <el-button type="success" @click="showEdit = true">新增路径</el-button>
+      </div>
+    </div>
+
+    <el-card shadow="never" style="margin-bottom:16px">
+      <el-form inline>
+        <el-form-item label="关键词">
+          <el-input v-model="keyword" placeholder="路径名称/疾病名称/编码" clearable style="width:220px" @keyup.enter="loadData" />
+        </el-form-item>
+        <el-form-item>
+          <el-button type="primary" @click="loadData">搜索</el-button>
+          <el-button @click="keyword = ''; loadData()">重置</el-button>
+        </el-form-item>
+      </el-form>
+    </el-card>
+
+    <el-table v-loading="loading" :data="tableData" border stripe>
+      <el-table-column prop="pathwayCode" label="路径编码" width="140" />
+      <el-table-column prop="pathwayName" label="路径名称" min-width="180" show-overflow-tooltip />
+      <el-table-column prop="diseaseCode" label="疾病编码" width="120" />
+      <el-table-column prop="diseaseName" label="疾病名称" width="150" show-overflow-tooltip />
+      <el-table-column prop="standardDays" label="标准天数" width="90" align="center" />
+      <el-table-column prop="status" label="状态" width="80" align="center">
+        <template #default="{row}">
+          <el-tag :type="row.status === 'ACTIVE' ? 'success' : 'info'" size="small">
+            {{ row.status === 'ACTIVE' ? '启用' : '停用' }}
+          </el-tag>
+        </template>
+      </el-table-column>
+      <el-table-column prop="createTime" label="创建时间" width="160" />
+      <el-table-column label="操作" width="120" fixed="right">
+        <template #default="{row}">
+          <el-button link type="primary" @click="viewSteps(row)">查看步骤</el-button>
+        </template>
+      </el-table-column>
+    </el-table>
+
+    <el-pagination
+      v-model:current-page="pageNo"
+      v-model:page-size="pageSize"
+      style="margin-top:12px;justify-content:flex-end"
+      :total="total"
+      layout="total, sizes, prev, pager, next, jumper"
+      @size-change="loadData"
+      @current-change="loadData"
+    />
+
+    <PathwayEdit v-model:visible="showEdit" @success="loadData" />
+
+    <el-dialog v-model="showSteps" :title="stepsTitle" width="700px" append-to-body>
+      <el-timeline>
+        <el-timeline-item
+          v-for="step in stepsData"
+          :key="step.id"
+          :type="stepTypeColor(step.stepType)"
+          :timestamp="`第${step.dayNumber || '-'}天 - ${stepTypeName(step.stepType)}`"
+          placement="top"
+        >
+          <el-card shadow="never" :body-style="{padding:'10px'}">
+            <div style="font-size:13px">{{ step.stepContent }}</div>
+          </el-card>
+        </el-timeline-item>
+      </el-timeline>
+      <el-empty v-if="!stepsData.length" description="暂无步骤" />
+      <template #footer>
+        <el-button @click="showSteps = false">关闭</el-button>
+      </template>
+    </el-dialog>
+  </div>
+</template>
+
+<script setup>
+import { ref, onMounted } from 'vue'
+import { getPathwayPage, getPathwaySteps } from '@/api/knowledgegraph/api'
+import PathwayEdit from './PathwayEdit.vue'
+
+const loading = ref(false)
+const tableData = ref([])
+const total = ref(0)
+const pageNo = ref(1)
+const pageSize = ref(20)
+const keyword = ref('')
+const showEdit = ref(false)
+const showSteps = ref(false)
+const stepsTitle = ref('')
+const stepsData = ref([])
+
+const stepTypeMap = { exam: '检查', treatment: '治疗', nursing: '护理', medication: '用药' }
+const stepColorMap = { exam: 'warning', treatment: 'primary', nursing: 'success', medication: 'danger' }
+const stepTypeName = (t) => stepTypeMap[t] || t
+const stepTypeColor = (t) => stepColorMap[t] || 'info'
+
+async function loadData() {
+  loading.value = true
+  try {
+    const r = await getPathwayPage({ keyword: keyword.value, pageNo: pageNo.value, pageSize: pageSize.value })
+    tableData.value = r.data?.records || []
+    total.value = r.data?.total || 0
+  } finally {
+    loading.value = false
+  }
+}
+
+async function viewSteps(row) {
+  stepsTitle.value = `${row.pathwayName} - 路径步骤`
+  stepsData.value = []
+  showSteps.value = true
+  const r = await getPathwaySteps(row.id)
+  stepsData.value = r.data || []
+}
+
+onMounted(() => loadData())
+</script>
diff --git a/healthlink-his-ui/src/views/knowledgegraph/RelationForm.vue b/healthlink-his-ui/src/views/knowledgegraph/RelationForm.vue
new file mode 100644
index 000000000..9586dc07a
--- /dev/null
+++ b/healthlink-his-ui/src/views/knowledgegraph/RelationForm.vue
@@ -0,0 +1,102 @@
+<template>
+  <el-dialog v-model="visible" title="新增实体关系" width="600px" append-to-body @close="handleClose">
+    <el-form ref="formRef" :model="form" :rules="rules" label-width="110px">
+      <el-form-item label="源实体类型" prop="sourceType">
+        <el-select v-model="form.sourceType" placeholder="请选择" style="width:100%">
+          <el-option v-for="t in entityTypes" :key="t.code" :label="t.name" :value="t.code" />
+        </el-select>
+      </el-form-item>
+      <el-form-item label="源实体ID" prop="sourceId">
+        <el-input v-model="form.sourceId" placeholder="请输入源实体ID" />
+      </el-form-item>
+      <el-form-item label="目标实体类型" prop="targetType">
+        <el-select v-model="form.targetType" placeholder="请选择" style="width:100%">
+          <el-option v-for="t in entityTypes" :key="t.code" :label="t.name" :value="t.code" />
+        </el-select>
+      </el-form-item>
+      <el-form-item label="目标实体ID" prop="targetId">
+        <el-input v-model="form.targetId" placeholder="请输入目标实体ID" />
+      </el-form-item>
+      <el-form-item label="关系类型" prop="relationType">
+        <el-select v-model="form.relationType" placeholder="请选择" style="width:100%">
+          <el-option v-for="r in relationTypes" :key="r.code" :label="r.name" :value="r.code" />
+        </el-select>
+      </el-form-item>
+      <el-form-item label="关系强度">
+        <el-slider v-model="form.relationStrength" :min="0" :max="1" :step="0.1" show-input />
+      </el-form-item>
+      <el-form-item label="描述">
+        <el-input v-model="form.description" type="textarea" :rows="3" placeholder="关系描述" />
+      </el-form-item>
+    </el-form>
+    <template #footer>
+      <el-button @click="handleClose">取消</el-button>
+      <el-button type="primary" :loading="submitting" @click="handleSubmit">确定</el-button>
+    </template>
+  </el-dialog>
+</template>
+
+<script setup>
+import { ref, watch } from 'vue'
+import { ElMessage } from 'element-plus'
+import { createRelation } from '@/api/knowledgegraph/api'
+
+const props = defineProps({ visible: Boolean })
+const emit = defineEmits(['update:visible', 'success'])
+
+const formRef = ref(null)
+const submitting = ref(false)
+
+const entityTypes = [
+  { code: 'disease', name: '疾病' },
+  { code: 'symptom', name: '症状' },
+  { code: 'drug', name: '药物' },
+  { code: 'exam', name: '检查' }
+]
+
+const relationTypes = [
+  { code: 'CAUSES', name: '导致' },
+  { code: 'TREATS', name: '治疗' },
+  { code: 'CONTRAINDICATES', name: '禁忌' },
+  { code: 'INTERACTS_WITH', name: '相互作用' },
+  { code: 'REQUIRES_EXAM', name: '需要检查' },
+  { code: 'HAS_SYMPTOM', name: '具有症状' },
+  { code: 'SIDE_EFFECT', name: '副作用' },
+  { code: 'ALTERNATIVE', name: '替代' }
+]
+
+const defaultForm = () => ({
+  sourceType: '', sourceId: '', targetType: '', targetId: '',
+  relationType: '', relationStrength: 1.0, description: ''
+})
+const form = ref(defaultForm())
+
+const rules = {
+  sourceType: [{ required: true, message: '请选择源实体类型', trigger: 'change' }],
+  sourceId: [{ required: true, message: '请输入源实体ID', trigger: 'blur' }],
+  targetType: [{ required: true, message: '请选择目标实体类型', trigger: 'change' }],
+  targetId: [{ required: true, message: '请输入目标实体ID', trigger: 'blur' }],
+  relationType: [{ required: true, message: '请选择关系类型', trigger: 'change' }]
+}
+
+watch(() => props.visible, (v) => {
+  if (v) form.value = defaultForm()
+})
+
+function handleClose() {
+  emit('update:visible', false)
+}
+
+async function handleSubmit() {
+  await formRef.value.validate()
+  submitting.value = true
+  try {
+    await createRelation(form.value)
+    ElMessage.success('创建成功')
+    emit('update:visible', false)
+    emit('success')
+  } finally {
+    submitting.value = false
+  }
+}
+</script>
diff --git a/healthlink-his-ui/src/views/knowledgegraph/RelationList.vue b/healthlink-his-ui/src/views/knowledgegraph/RelationList.vue
new file mode 100644
index 000000000..576983dbd
--- /dev/null
+++ b/healthlink-his-ui/src/views/knowledgegraph/RelationList.vue
@@ -0,0 +1,136 @@
+<template>
+  <div style="padding:16px">
+    <div style="margin-bottom:16px;display:flex;justify-content:space-between;align-items:center">
+      <span style="font-size:18px;font-weight:bold">实体关系管理</span>
+      <div>
+        <el-button type="primary" @click="loadData">刷新</el-button>
+        <el-button type="success" @click="showForm = true">新增关系</el-button>
+      </div>
+    </div>
+
+    <el-card shadow="never" style="margin-bottom:16px">
+      <el-form inline>
+        <el-form-item label="源实体类型">
+          <el-select v-model="filters.sourceType" clearable placeholder="全部" style="width:130px">
+            <el-option v-for="t in entityTypes" :key="t.code" :label="t.name" :value="t.code" />
+          </el-select>
+        </el-form-item>
+        <el-form-item label="目标实体类型">
+          <el-select v-model="filters.targetType" clearable placeholder="全部" style="width:130px">
+            <el-option v-for="t in entityTypes" :key="t.code" :label="t.name" :value="t.code" />
+          </el-select>
+        </el-form-item>
+        <el-form-item label="关系类型">
+          <el-select v-model="filters.relationType" clearable placeholder="全部" style="width:150px">
+            <el-option v-for="r in relationTypes" :key="r.code" :label="r.name" :value="r.code" />
+          </el-select>
+        </el-form-item>
+        <el-form-item>
+          <el-button type="primary" @click="loadData">搜索</el-button>
+          <el-button @click="resetFilters">重置</el-button>
+        </el-form-item>
+      </el-form>
+    </el-card>
+
+    <el-table v-loading="loading" :data="tableData" border stripe>
+      <el-table-column prop="sourceType" label="源实体类型" width="120" align="center">
+        <template #default="{row}">
+          <el-tag size="small" :style="{background: typeColor(row.sourceType), color:'#fff', border:'none'}">
+            {{ typeName(row.sourceType) }}
+          </el-tag>
+        </template>
+      </el-table-column>
+      <el-table-column prop="sourceId" label="源实体ID" width="140" show-overflow-tooltip />
+      <el-table-column prop="targetType" label="目标实体类型" width="120" align="center">
+        <template #default="{row}">
+          <el-tag size="small" :style="{background: typeColor(row.targetType), color:'#fff', border:'none'}">
+            {{ typeName(row.targetType) }}
+          </el-tag>
+        </template>
+      </el-table-column>
+      <el-table-column prop="targetId" label="目标实体ID" width="140" show-overflow-tooltip />
+      <el-table-column prop="relationType" label="关系类型" width="140" align="center">
+        <template #default="{row}">
+          <el-tag size="small" type="warning">{{ relationName(row.relationType) }}</el-tag>
+        </template>
+      </el-table-column>
+      <el-table-column prop="relationStrength" label="强度" width="80" align="center" />
+      <el-table-column prop="description" label="描述" min-width="150" show-overflow-tooltip />
+      <el-table-column prop="createTime" label="创建时间" width="160" />
+    </el-table>
+
+    <el-pagination
+      v-model:current-page="pageNo"
+      v-model:page-size="pageSize"
+      style="margin-top:12px;justify-content:flex-end"
+      :total="total"
+      layout="total, sizes, prev, pager, next, jumper"
+      @size-change="loadData"
+      @current-change="loadData"
+    />
+
+    <RelationForm v-model:visible="showForm" @success="loadData" />
+  </div>
+</template>
+
+<script setup>
+import { ref, onMounted } from 'vue'
+import { getRelationPage } from '@/api/knowledgegraph/api'
+import RelationForm from './RelationForm.vue'
+
+const loading = ref(false)
+const tableData = ref([])
+const total = ref(0)
+const pageNo = ref(1)
+const pageSize = ref(20)
+const showForm = ref(false)
+
+const filters = ref({ sourceType: '', targetType: '', relationType: '' })
+
+const entityTypes = [
+  { code: 'disease', name: '疾病' },
+  { code: 'symptom', name: '症状' },
+  { code: 'drug', name: '药物' },
+  { code: 'exam', name: '检查' }
+]
+
+const relationTypes = [
+  { code: 'CAUSES', name: '导致' },
+  { code: 'TREATS', name: '治疗' },
+  { code: 'CONTRAINDICATES', name: '禁忌' },
+  { code: 'INTERACTS_WITH', name: '相互作用' },
+  { code: 'REQUIRES_EXAM', name: '需要检查' },
+  { code: 'HAS_SYMPTOM', name: '具有症状' },
+  { code: 'SIDE_EFFECT', name: '副作用' },
+  { code: 'ALTERNATIVE', name: '替代' }
+]
+
+const typeColorMap = { disease: '#f56c6c', symptom: '#409eff', drug: '#67c23a', exam: '#e6a23c' }
+const typeColor = (t) => typeColorMap[t] || '#909399'
+const typeName = (t) => (entityTypes.find(e => e.code === t) || {}).name || t
+const relationName = (r) => (relationTypes.find(e => e.code === r) || {}).name || r
+
+function resetFilters() {
+  filters.value = { sourceType: '', targetType: '', relationType: '' }
+  loadData()
+}
+
+async function loadData() {
+  loading.value = true
+  try {
+    const r = await getRelationPage({
+      sourceType: filters.value.sourceType,
+      targetType: filters.value.targetType,
+      relationType: filters.value.relationType,
+      pageNo: pageNo.value,
+      pageSize: pageSize.value
+    })
+    tableData.value = r.data?.records || []
+    total.value = r.data?.total || 0
+  } finally {
+    loading.value = false
+  }
+}
+
+onMounted(() => loadData())
+</script>
diff --git a/healthlink-his-ui/src/views/knowledgegraph/SymptomList.vue b/healthlink-his-ui/src/views/knowledgegraph/SymptomList.vue
new file mode 100644
index 000000000..5b27ca94c
--- /dev/null
+++ b/healthlink-his-ui/src/views/knowledgegraph/SymptomList.vue
@@ -0,0 +1,139 @@
+<template>
+  <div class="app-container">
+    <el-form :model="queryParams" ref="queryFormRef" :inline="true" v-show="showSearch" label-width="80px">
+      <el-form-item label="关键词" prop="keyword">
+        <el-input v-model="queryParams.keyword" placeholder="症状名称/编码" clearable style="width:200px" @keyup.enter="handleQuery" />
+      </el-form-item>
+      <el-form-item label="症状类型" prop="symptomType">
+        <el-input v-model="queryParams.symptomType" placeholder="症状类型" clearable style="width:160px" />
+      </el-form-item>
+      <el-form-item>
+        <el-button type="primary" icon="Search" @click="handleQuery">搜索</el-button>
+        <el-button icon="Refresh" @click="resetQuery">重置</el-button>
+      </el-form-item>
+    </el-form>
+
+    <el-row :gutter="10" class="mb8">
+      <el-col :span="1.5">
+        <el-button type="primary" plain icon="Plus" @click="handleAdd">新增</el-button>
+      </el-col>
+    </el-row>
+
+    <el-table v-loading="loading" :data="tableData" border stripe>
+      <el-table-column type="index" label="序号" width="60" align="center" />
+      <el-table-column prop="symptomCode" label="症状编码" width="140" show-overflow-tooltip />
+      <el-table-column prop="symptomName" label="症状名称" min-width="180" show-overflow-tooltip />
+      <el-table-column prop="bodyPart" label="所属部位" width="120" show-overflow-tooltip />
+      <el-table-column prop="symptomType" label="症状类型" width="120" align="center" />
+      <el-table-column prop="createTime" label="创建时间" width="170" />
+      <el-table-column label="操作" width="150" align="center" fixed="right">
+        <template #default="{ row }">
+          <el-button link type="primary" icon="Edit" @click="handleEdit(row)">编辑</el-button>
+          <el-button link type="danger" icon="Delete" @click="handleDelete(row)">删除</el-button>
+        </template>
+      </el-table-column>
+    </el-table>
+
+    <pagination v-show="total > 0" v-model:page="queryParams.pageNo" v-model:limit="queryParams.pageSize" :total="total" @pagination="getList" />
+
+    <el-dialog v-model="showForm" :title="form.id ? '编辑症状' : '新增症状'" width="550px" @close="resetForm">
+      <el-form ref="formRef" :model="form" :rules="formRules" label-width="90px">
+        <el-form-item label="症状编码" prop="symptomCode">
+          <el-input v-model="form.symptomCode" placeholder="请输入症状编码" />
+        </el-form-item>
+        <el-form-item label="症状名称" prop="symptomName">
+          <el-input v-model="form.symptomName" placeholder="请输入症状名称" />
+        </el-form-item>
+        <el-form-item label="所属部位" prop="bodyPart">
+          <el-input v-model="form.bodyPart" placeholder="请输入所属部位" />
+        </el-form-item>
+        <el-form-item label="症状类型" prop="symptomType">
+          <el-input v-model="form.symptomType" placeholder="请输入症状类型" />
+        </el-form-item>
+      </el-form>
+      <template #footer>
+        <el-button @click="showForm = false">取消</el-button>
+        <el-button type="primary" :loading="submitting" @click="handleSubmit">确定</el-button>
+      </template>
+    </el-dialog>
+  </div>
+</template>
+
+<script setup name="KgSymptomList">
+import { ref, reactive, onMounted } from 'vue'
+import { getSymptomPage, addSymptom, updateSymptom, deleteSymptom } from '@/api/knowledgegraph/api'
+import { ElMessage, ElMessageBox } from 'element-plus'
+
+const { proxy } = getCurrentInstance()
+
+const tableData = ref([])
+const loading = ref(false)
+const showSearch = ref(true)
+const total = ref(0)
+const showForm = ref(false)
+const submitting = ref(false)
+const formRef = ref(null)
+
+const queryParams = reactive({ pageNo: 1, pageSize: 10, keyword: '', symptomType: '' })
+const form = reactive({ id: undefined, symptomCode: '', symptomName: '', bodyPart: '', symptomType: '' })
+const formRules = {
+  symptomCode: [{ required: true, message: '请输入症状编码', trigger: 'blur' }],
+  symptomName: [{ required: true, message: '请输入症状名称', trigger: 'blur' }]
+}
+
+async function getList() {
+  loading.value = true
+  try {
+    const res = await getSymptomPage(queryParams)
+    if (res.code === 200) {
+      tableData.value = res.data?.records || []
+      total.value = res.data?.total || 0
+    }
+  } finally {
+    loading.value = false
+  }
+}
+
+function handleQuery() { queryParams.pageNo = 1; getList() }
+function resetQuery() { queryParams.keyword = ''; queryParams.symptomType = ''; handleQuery() }
+
+function handleAdd() {
+  Object.assign(form, { id: undefined, symptomCode: '', symptomName: '', bodyPart: '', symptomType: '' })
+  showForm.value = true
+}
+
+function handleEdit(row) {
+  Object.assign(form, row)
+  showForm.value = true
+}
+
+function resetForm() {
+  formRef.value?.resetFields()
+}
+
+function handleDelete(row) {
+  ElMessageBox.confirm('确认删除该症状吗？', '提示', { type: 'warning' })
+    .then(() => deleteSymptom(row.id))
+    .then(() => { ElMessage.success('删除成功'); getList() })
+}
+
+async function handleSubmit() {
+  try { await formRef.value.validate() } catch { return }
+  submitting.value = true
+  try {
+    if (form.id) {
+      await updateSymptom({ ...form })
+      ElMessage.success('更新成功')
+    } else {
+      await addSymptom({ ...form })
+      ElMessage.success('创建成功')
+    }
+    showForm.value = false
+    getList()
+  } finally {
+    submitting.value = false
+  }
+}
+
+onMounted(() => getList())
+</script>