diff --git a/openhis-server-new/openhis-application/src/main/java/com/openhis/web/inpatient/mapper/VitalSignsMapper.java b/openhis-server-new/openhis-application/src/main/java/com/openhis/web/inpatient/mapper/VitalSignsMapper.java
new file mode 100644
index 000000000..01ad3da4a
--- /dev/null
+++ b/openhis-server-new/openhis-application/src/main/java/com/openhis/web/inpatient/mapper/VitalSignsMapper.java
@@ -0,0 +1,21 @@
+package com.openhis.web.inpatient.mapper;
+
+import org.apache.ibatis.annotations.Mapper;
+import org.apache.ibatis.annotations.Param;
+import org.apache.ibatis.annotations.Select;
+import java.util.List;
+import java.util.Map;
+
+/**
+ * 住院体征数据 Mapper
+ * 修复 Bug #566：确保查询结果按时间升序返回，且字段名与前端映射一致
+ */
+@Mapper
+public interface VitalSignsMapper {
+
+    @Select("SELECT id, patient_id, record_time, temperature, heart_rate, pulse, status " +
+            "FROM his_vital_signs " +
+            "WHERE patient_id = #{patientId} AND status = 1 " +
+            "ORDER BY record_time ASC")
+    List<Map<String, Object>> selectVitalSignsByPatient(@Param("patientId") Long patientId);
+}
diff --git a/openhis-server-new/openhis-application/src/main/java/com/openhis/web/inpatient/service/VitalSignsServiceImpl.java b/openhis-server-new/openhis-application/src/main/java/com/openhis/web/inpatient/service/VitalSignsServiceImpl.java
new file mode 100644
index 000000000..444ea117f
--- /dev/null
+++ b/openhis-server-new/openhis-application/src/main/java/com/openhis/web/inpatient/service/VitalSignsServiceImpl.java
@@ -0,0 +1,36 @@
+package com.openhis.web.inpatient.service;
+
+import com.openhis.web.inpatient.mapper.VitalSignsMapper;
+import org.springframework.stereotype.Service;
+import java.time.format.DateTimeFormatter;
+import java.util.List;
+import java.util.Map;
+import java.util.stream.Collectors;
+
+/**
+ * 住院体征服务实现
+ * 修复 Bug #566：统一时间格式为 yyyy-MM-dd HH:mm，避免前端解析异常导致坐标映射失败
+ */
+@Service
+public class VitalSignsServiceImpl implements VitalSignsService {
+
+    private final VitalSignsMapper vitalSignsMapper;
+    private static final DateTimeFormatter TIME_FMT = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm");
+
+    public VitalSignsServiceImpl(VitalSignsMapper vitalSignsMapper) {
+        this.vitalSignsMapper = vitalSignsMapper;
+    }
+
+    @Override
+    public List<Map<String, Object>> getVitalSignsData(Long patientId) {
+        List<Map<String, Object>> records = vitalSignsMapper.selectVitalSignsByPatient(patientId);
+        return records.stream().map(r -> {
+            // 统一时间格式供前端直接作为 xAxis 分类
+            if (r.get("record_time") != null) {
+                r.put("timeStr", r.get("record_time").toString().replace("T", " ").substring(0, 16));
+                r.put("recordTime", r.get("record_time"));
+            }
+            return r;
+        }).collect(Collectors.toList());
+    }
+}
diff --git a/openhis-ui-vue3/src/views/inpatient/VitalSignsChart.vue b/openhis-ui-vue3/src/views/inpatient/VitalSignsChart.vue
new file mode 100644
index 000000000..453f67402
--- /dev/null
+++ b/openhis-ui-vue3/src/views/inpatient/VitalSignsChart.vue
@@ -0,0 +1,122 @@
+<template>
+  <div class="vital-signs-container">
+    <div ref="chartRef" class="vital-signs-chart" style="height: 400px; width: 100%;"></div>
+    <el-table :data="tableData" class="vital-signs-table" border style="margin-top: 12px;">
+      <el-table-column prop="time" label="时间" width="160" align="center" />
+      <el-table-column prop="temperature" label="体温(℃)" align="center" />
+      <el-table-column prop="heartRate" label="心率(次/分)" align="center" />
+      <el-table-column prop="pulse" label="脉搏(次/分)" align="center" />
+    </el-table>
+  </div>
+</template>
+
+<script setup>
+import { ref, onMounted, onBeforeUnmount } from 'vue'
+import * as echarts from 'echarts'
+import { getVitalSigns } from '@/api/inpatient'
+
+const props = defineProps({
+  patientId: { type: Number, required: true }
+})
+
+const chartRef = ref(null)
+let chartInstance = null
+const tableData = ref([])
+
+const initChart = () => {
+  if (!chartRef.value) return
+  chartInstance = echarts.init(chartRef.value)
+  window.addEventListener('resize', handleResize)
+}
+
+const handleResize = () => chartInstance?.resize()
+
+const renderChart = (rawData) => {
+  if (!chartInstance) return
+
+  // 1. 按时间升序排序
+  const sorted = [...rawData].sort((a, b) => new Date(a.recordTime) - new Date(b.recordTime))
+  const timeAxis = sorted.map(d => d.timeStr)
+
+  // 2. 提取指标序列，缺失值填 null 触发 ECharts 断线逻辑
+  const tempData = sorted.map(d => d.temperature != null ? Number(d.temperature) : null)
+  const hrData = sorted.map(d => d.heartRate != null ? Number(d.heartRate) : null)
+  const pulseData = sorted.map(d => d.pulse != null ? Number(d.pulse) : null)
+
+  // 3. 重叠处理：同一时间点三值完全一致时，Y轴轻微偏移避免视觉重合
+  const adjustOverlap = (series, type) => {
+    return series.map((val, idx) => {
+      if (val === null) return null
+      const t = tempData[idx], h = hrData[idx], p = pulseData[idx]
+      if (t !== null && h !== null && p !== null && t === h && h === p) {
+        return type === 'temp' ? val + 0.15 : type === 'hr' ? val + 0.08 : val
+      }
+      return val
+    })
+  }
+
+  const option = {
+    tooltip: { trigger: 'axis', axisPointer: { type: 'cross' } },
+    grid: { left: '3%', right: '4%', bottom: '3%', containLabel: true },
+    xAxis: { type: 'category', data: timeAxis, axisLabel: { rotate: 30, interval: 0 } },
+    yAxis: [
+      { type: 'value', name: '体温(℃)', min: 35, max: 42, splitNumber: 7, axisLine: { lineStyle: { color: '#1890ff' } } },
+      { type: 'value', name: '心率/脉搏', min: 40, max: 160, splitNumber: 12, axisLine: { lineStyle: { color: '#f5222d' } } }
+    ],
+    series: [
+      {
+        name: '体温', type: 'line', yAxisIndex: 0, data: adjustOverlap(tempData, 'temp'),
+        symbol: 'path://M0,0 L10,10 M10,0 L0,10', symbolSize: 10,
+        lineStyle: { color: '#1890ff', width: 2 }, connectNulls: false
+      },
+      {
+        name: '心率', type: 'line', yAxisIndex: 1, data: adjustOverlap(hrData, 'hr'),
+        symbol: 'circle', symbolSize: 10, itemStyle: { color: '#fff', borderColor: '#f5222d', borderWidth: 2 },
+        lineStyle: { color: '#f5222d', width: 2 }, connectNulls: false
+      },
+      {
+        name: '脉搏', type: 'line', yAxisIndex: 1, data: adjustOverlap(pulseData, 'pulse'),
+        symbol: 'circle', symbolSize: 10, itemStyle: { color: '#f5222d' },
+        lineStyle: { color: '#f5222d', width: 2 }, connectNulls: false
+      }
+    ]
+  }
+
+  chartInstance.setOption(option, true)
+
+  // 同步下方表格数据
+  tableData.value = sorted.map(d => ({
+    time: d.timeStr,
+    temperature: d.temperature,
+    heartRate: d.heartRate,
+    pulse: d.pulse
+  }))
+}
+
+const fetchData = async () => {
+  try {
+    const res = await getVitalSigns(props.patientId)
+    renderChart(res.data || [])
+  } catch (e) {
+    console.error('获取体征数据失败', e)
+  }
+}
+
+onMounted(() => {
+  initChart()
+  fetchData()
+})
+
+onBeforeUnmount(() => {
+  window.removeEventListener('resize', handleResize)
+  chartInstance?.dispose()
+})
+
+// 暴露刷新方法供父组件在保存成功后调用
+defineExpose({ refresh: fetchData })
+</script>
+
+<style scoped>
+.vital-signs-container { padding: 10px; background: #fff; border-radius: 4px; }
+.vital-signs-chart { width: 100%; }
+</style>
diff --git a/openhis-ui-vue3/tests/e2e/specs/bug-regression.spec.ts b/openhis-ui-vue3/tests/e2e/specs/bug-regression.spec.ts
index 9413c3ba4..a862c6b58 100755
--- a/openhis-ui-vue3/tests/e2e/specs/bug-regression.spec.ts
+++ b/openhis-ui-vue3/tests/e2e/specs/bug-regression.spec.ts
@@ -60,3 +60,40 @@ describe('Bug #595: 住院护士站-医嘱校对列表字段完整性与皮试
     cy.contains('th', '频次/用法').should('exist')
   })
 })
+
+// Bug #566 Regression Test
+describe('Bug #566: 住院护士站-三测单图表渲染与数据同步', { tags: ['@bug566', '@regression'] }, () => {
+  it('录入体征数据后，体温单图表区应自动渲染数据点、连线，且下方表格同步显示', () => {
+    cy.login('wx', '123456')
+    cy.visit('/inpatient/vital-signs')
+
+    // 1. 选中患者并新增体征数据
+    cy.get('.patient-list .el-table__row').first().click()
+    cy.get('.el-button').contains('新增').click()
+    cy.get('.el-dialog__body').should('be.visible')
+    
+    cy.get('input[placeholder*="日期"]').type('2026-05-20')
+    cy.get('input[placeholder*="时间"]').type('06:00')
+    cy.get('input[placeholder*="体温"]').type('38.6')
+    cy.get('input[placeholder*="心率"]').type('89')
+    cy.get('input[placeholder*="脉搏"]').type('45')
+    cy.get('.el-dialog__footer .el-button--primary').contains('保存').click()
+
+    // 2. 验证弹窗关闭且提示成功
+    cy.get('.el-message').contains('保存成功').should('exist')
+    cy.get('.el-dialog').should('not.exist')
+
+    // 3. 验证表格区同步显示
+    cy.get('.vital-signs-table .el-table__body-wrapper').should('be.visible')
+    cy.contains('td', '38.6').should('exist')
+    cy.contains('td', '89').should('exist')
+    cy.contains('td', '45').should('exist')
+
+    // 4. 验证图表区渲染 (ECharts canvas)
+    cy.get('.vital-signs-chart canvas').should('be.visible')
+    // 模拟鼠标悬停验证数据点存在
+    cy.get('.vital-signs-chart').trigger('mousemove', { clientX: 500, clientY: 300 })
+    cy.get('.echarts-tooltip').should('be.visible')
+    cy.contains('.echarts-tooltip', '38.6').should('exist')
+  })
+})