diff --git a/healthlink-his-server/healthlink-his-application/src/main/java/com/healthlink/his/web/empi/appservice/IEmpiAppService.java b/healthlink-his-server/healthlink-his-application/src/main/java/com/healthlink/his/web/empi/appservice/IEmpiAppService.java
index 6ffc99cb1..59a9118f5 100644
--- a/healthlink-his-server/healthlink-his-application/src/main/java/com/healthlink/his/web/empi/appservice/IEmpiAppService.java
+++ b/healthlink-his-server/healthlink-his-application/src/main/java/com/healthlink/his/web/empi/appservice/IEmpiAppService.java
@@ -15,4 +15,5 @@ public interface IEmpiAppService {
     List<Patient> findLinkedPatients(String globalId);
     List<Patient> findLinkedPatientsByIdCard(String idCardNo);
     List<EmpiPerson> listPersons(String name, String idCardNo);
+    void splitPatients(Long primaryId, List<Long> secondaryIds);
 }
\ No newline at end of file
diff --git a/healthlink-his-server/healthlink-his-application/src/main/java/com/healthlink/his/web/empi/appservice/impl/EmpiAppServiceImpl.java b/healthlink-his-server/healthlink-his-application/src/main/java/com/healthlink/his/web/empi/appservice/impl/EmpiAppServiceImpl.java
index 7f165320e..eb0e255a3 100644
--- a/healthlink-his-server/healthlink-his-application/src/main/java/com/healthlink/his/web/empi/appservice/impl/EmpiAppServiceImpl.java
+++ b/healthlink-his-server/healthlink-his-application/src/main/java/com/healthlink/his/web/empi/appservice/impl/EmpiAppServiceImpl.java
@@ -126,4 +126,25 @@ public class EmpiAppServiceImpl implements IEmpiAppService {
         wrapper.orderByDesc(EmpiPerson::getId);
         return personService.list(wrapper);
     }
+
+    @Override
+    public void splitPatients(Long primaryId, List<Long> secondaryIds) {
+        EmpiPerson primary = personService.getById(primaryId);
+        if (primary == null) throw new RuntimeException("主患者不存在");
+        for (Long secId : secondaryIds) {
+            EmpiPerson sec = personService.getById(secId);
+            if (sec == null || !"MERGED".equals(sec.getMergeStatus())) continue;
+            sec.setMergeStatus("ACTIVE");
+            personService.updateById(sec);
+            EmpiMergeLog logRecord = new EmpiMergeLog();
+            logRecord.setSourcePatientId(primaryId);
+            logRecord.setTargetPatientId(secId);
+            logRecord.setMergeType("SPLIT");
+            logRecord.setMergeReason("EMPI拆分");
+            logRecord.setMergeBy("system");
+            logRecord.setMergeTime(new Date());
+            logRecord.setStatus("SPLIT");
+            mergeLogService.save(logRecord);
+        }
+    }
 }
\ No newline at end of file
diff --git a/healthlink-his-server/healthlink-his-application/src/main/java/com/healthlink/his/web/empi/controller/EmpiController.java b/healthlink-his-server/healthlink-his-application/src/main/java/com/healthlink/his/web/empi/controller/EmpiController.java
index 0011b0a08..8d00c7501 100644
--- a/healthlink-his-server/healthlink-his-application/src/main/java/com/healthlink/his/web/empi/controller/EmpiController.java
+++ b/healthlink-his-server/healthlink-his-application/src/main/java/com/healthlink/his/web/empi/controller/EmpiController.java
@@ -6,6 +6,7 @@ import com.healthlink.his.web.empi.appservice.IEmpiAppService;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;
 import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.security.access.prepost.PreAuthorize;
 import org.springframework.web.bind.annotation.*;
 import java.util.List;
 
@@ -25,11 +26,20 @@ public class EmpiController {
 
     @Operation(summary = "合并患者")
     @PostMapping("/merge")
+    @PreAuthorize("infection:empi:edit")
     public AjaxResult merge(@RequestParam Long primaryId, @RequestParam List<Long> secondaryIds) {
         empiAppService.mergePersons(primaryId, secondaryIds);
         return AjaxResult.success();
     }
 
+    @Operation(summary = "拆分患者")
+    @PostMapping("/split")
+    @PreAuthorize("infection:empi:edit")
+    public AjaxResult split(@RequestParam Long primaryId, @RequestParam List<Long> secondaryIds) {
+        empiAppService.splitPatients(primaryId, secondaryIds);
+        return AjaxResult.success();
+    }
+
     @Operation(summary = "按全局ID查询EMPI")
     @GetMapping("/person/global/{globalId}")
     public AjaxResult findByGlobalId(@PathVariable String globalId) {
diff --git a/healthlink-his-ui/src/views/empienhanced/api.js b/healthlink-his-ui/src/views/empienhanced/api.js
index 633b17181..e17951259 100644
--- a/healthlink-his-ui/src/views/empienhanced/api.js
+++ b/healthlink-his-ui/src/views/empienhanced/api.js
@@ -3,6 +3,7 @@ import request from '@/utils/request'
 // EMPI基础操作
 export function registerPerson(data) { return request({ url: '/api/v1/empi/person', method: 'post', data }) }
 export function mergePersons(primaryId, secondaryIds) { return request({ url: '/api/v1/empi/merge', method: 'post', params: { primaryId, secondaryIds: secondaryIds.join(',') } }) }
+export function splitPersons(primaryId, secondaryIds) { return request({ url: '/api/v1/empi/split', method: 'post', params: { primaryId, secondaryIds: secondaryIds.join(',') } }) }
 export function findByGlobalId(globalId) { return request({ url: '/api/v1/empi/person/global/' + globalId, method: 'get' }) }
 export function findByIdCard(idCardNo) { return request({ url: '/api/v1/empi/person/idcard/' + idCardNo, method: 'get' }) }
 export function getMappings(globalId) { return request({ url: '/api/v1/empi/mappings/' + globalId, method: 'get' }) }
diff --git a/healthlink-his-ui/src/views/empienhanced/index.vue b/healthlink-his-ui/src/views/empienhanced/index.vue
index 0f178b7a8..e3df294b5 100644
--- a/healthlink-his-ui/src/views/empienhanced/index.vue
+++ b/healthlink-his-ui/src/views/empienhanced/index.vue
@@ -136,12 +136,127 @@
                 :type="row.status==='MERGED'?'success':'info'"
                 size="small"
               >
-                {{ row.status==='MERGED'?'已合并':'已撤回' }}
+                {{ row.status==='MERGED'?'已合并':row.status==='SPLIT'?'已拆分':'已撤回' }}
               </el-tag>
             </template>
           </el-table-column>
         </el-table>
       </el-tab-pane>
+      <el-tab-pane
+        label="拆分管理"
+        name="split"
+      >
+        <el-alert
+          type="info"
+          :closable="false"
+          style="margin-bottom:12px"
+        >
+          选择一个已合并的患者作为"来源患者"，再勾选要拆分的患者，点击"拆分选中患者"
+        </el-alert>
+        <el-form
+          :inline="true"
+          class="mb8"
+        >
+          <el-form-item label="姓名">
+            <el-input
+              v-model="splitSearchName"
+              placeholder="患者姓名"
+              clearable
+              @keyup.enter="loadSplitPatients"
+            />
+          </el-form-item>
+          <el-form-item>
+            <el-button
+              type="primary"
+              @click="loadSplitPatients"
+            >
+              查询
+            </el-button>
+          </el-form-item>
+        </el-form>
+        <el-table
+          v-loading="splitLoading"
+          :data="splitPatientsList"
+          border
+          stripe
+          row-key="id"
+          @selection-change="handleSplitSelection"
+        >
+          <el-table-column
+            type="selection"
+            width="50"
+            :selectable="(row) => row.mergeStatus === 'MERGED'"
+          />
+          <el-table-column
+            prop="id"
+            label="ID"
+            width="60"
+          />
+          <el-table-column
+            prop="globalId"
+            label="全局ID"
+            width="160"
+          />
+          <el-table-column
+            prop="name"
+            label="姓名"
+            width="100"
+          />
+          <el-table-column
+            prop="gender"
+            label="性别"
+            width="60"
+          >
+            <template #default="{row}">
+              {{ row.gender === 'M' ? '男' : row.gender === 'F' ? '女' : row.gender }}
+            </template>
+          </el-table-column>
+          <el-table-column
+            prop="idCardNo"
+            label="身份证号"
+            width="180"
+          />
+          <el-table-column
+            prop="mergeStatus"
+            label="状态"
+            width="80"
+          >
+            <template #default="{row}">
+              <el-tag
+                :type="row.mergeStatus === 'MERGED' ? 'info' : 'success'"
+                size="small"
+              >
+                {{ row.mergeStatus === 'MERGED' ? '已合并' : '正常' }}
+              </el-tag>
+            </template>
+          </el-table-column>
+          <el-table-column
+            label="操作"
+            width="120"
+          >
+            <template #default="{row}">
+              <el-button
+                link
+                type="primary"
+                size="small"
+                :type="splitSource && splitSource.id === row.id ? 'success' : ''"
+                @click="splitSource = row"
+              >
+                {{ splitSource && splitSource.id === row.id ? '已选为来源' : '设为来源' }}
+              </el-button>
+            </template>
+          </el-table-column>
+        </el-table>
+        <div style="margin-top:12px;text-align:right">
+          <el-button
+            type="warning"
+            :disabled="!splitSource || splitSelectedRows.length === 0"
+            @click="handleSplit"
+          >
+            拆分选中患者 ({{ splitSelectedRows.length }})
+          </el-button>
+        </div>
+      </el-tab-pane>
     </el-tabs>
   </div>
 </template>
@@ -149,7 +264,7 @@
 <script setup>
 import {ref,reactive,onMounted} from 'vue'
 import {ElMessage,ElMessageBox} from 'element-plus'
-import {getFamilyMembers,addFamilyMember,deleteFamilyMember,getMergeLogPage} from './api'
+import {getFamilyMembers,addFamilyMember,deleteFamilyMember,getMergeLogPage,listPersons,splitPersons} from './api'
 const tab=ref('family')
 const searchPatientId=ref('')
 const familyData=ref([]),mergeData=ref([])
@@ -158,5 +273,35 @@ const familyForm=reactive({patientId:null,memberName:'',relationship:'',gender:'
 const loadFamily=async()=>{if(!searchPatientId.value)return;const r=await getFamilyMembers({patientId:searchPatientId.value});familyData.value=r.data||[]}
 const deleteFamily=async(id)=>{await ElMessageBox.confirm('确认删除？');await deleteFamilyMember(id);ElMessage.success('已删除');loadFamily()}
 const loadData=async()=>{const m=await getMergeLogPage({pageNo:1,pageSize:50});mergeData.value=m.data?.records||[]}
-onMounted(()=>loadData())
+
+const splitLoading=ref(false)
+const splitPatientsList=ref([])
+const splitSearchName=ref('')
+const splitSource=ref(null)
+const splitSelectedRows=ref([])
+
+const loadSplitPatients=async()=>{
+  splitLoading.value=true
+  try{
+    const res=await listPersons({name:splitSearchName.value})
+    splitPatientsList.value=(res.data||[]).filter(p=>p.mergeStatus==='MERGED')
+  }catch(e){splitPatientsList.value=[]}
+  splitLoading.value=false
+}
+const handleSplitSelection=(selection)=>{splitSelectedRows.value=selection.filter(r=>r.id!==splitSource.value?.id)}
+const handleSplit=async()=>{
+  if(!splitSource.value){ElMessage.warning('请先选择来源患者');return}
+  if(splitSelectedRows.value.length===0){ElMessage.warning('请勾选要拆分的患者');return}
+  await ElMessageBox.confirm(`确认拆分 ${splitSelectedRows.value.length} 个患者？`)
+  try{
+    await splitPersons(splitSource.value.id,splitSelectedRows.value.map(r=>r.id))
+    ElMessage.success('拆分成功')
+    splitSource.value=null
+    splitSelectedRows.value=[]
+    loadSplitPatients()
+    loadData()
+  }catch(e){ElMessage.error('拆分失败')}
+}
+
+onMounted(()=>{loadData();loadSplitPatients()})
 </script>