diff --git a/healthlink-his-server/healthlink-his-application/src/main/java/com/healthlink/his/web/datacollection/appservice/impl/DataDashboardAppServiceImpl.java b/healthlink-his-server/healthlink-his-application/src/main/java/com/healthlink/his/web/datacollection/appservice/impl/DataDashboardAppServiceImpl.java
index 8bcdf11d0..d54a69182 100644
--- a/healthlink-his-server/healthlink-his-application/src/main/java/com/healthlink/his/web/datacollection/appservice/impl/DataDashboardAppServiceImpl.java
+++ b/healthlink-his-server/healthlink-his-application/src/main/java/com/healthlink/his/web/datacollection/appservice/impl/DataDashboardAppServiceImpl.java
@@ -89,9 +89,10 @@ public class DataDashboardAppServiceImpl implements IDataDashboardAppService {
             cutoffDate = java.time.LocalDate.now().minusYears(1).toString();
         }
 
-        if (cutoffDate != null) {
+        final String finalCutoff = cutoffDate;
+        if (finalCutoff != null) {
             allData = allData.stream()
-                .filter(ba -> ba.getStatDate() != null && ba.getStatDate().compareTo(cutoffDate) >= 0)
+                .filter(ba -> ba.getStatDate() != null && ba.getStatDate().compareTo(finalCutoff) >= 0)
                 .collect(Collectors.toList());
         }
 
diff --git a/healthlink-his-server/healthlink-his-application/src/main/java/com/healthlink/his/web/reportmanage/dto/BiReportDto.java b/healthlink-his-server/healthlink-his-application/src/main/java/com/healthlink/his/web/reportmanage/dto/BiReportDto.java
new file mode 100644
index 000000000..7dcb036bb
--- /dev/null
+++ b/healthlink-his-server/healthlink-his-application/src/main/java/com/healthlink/his/web/reportmanage/dto/BiReportDto.java
@@ -0,0 +1,17 @@
+package com.healthlink.his.web.reportmanage.dto;
+
+import lombok.Data;
+import lombok.experimental.Accessors;
+
+import java.util.List;
+import java.util.Map;
+
+@Data
+@Accessors(chain = true)
+public class BiReportDto {
+    private String reportType;
+    private String title;
+    private List<Map<String, Object>> records;
+    private Map<String, Object> summary;
+    private List<Map<String, Object>> charts;
+}
diff --git a/healthlink-his-ui/src/api/datacollection/index.js b/healthlink-his-ui/src/api/datacollection/index.js
new file mode 100644
index 000000000..8a8d3099e
--- /dev/null
+++ b/healthlink-his-ui/src/api/datacollection/index.js
@@ -0,0 +1,32 @@
+import request from '@/utils/request'
+
+export function collectClinicalData(data) {
+  return request({
+    url: '/data/collect/clinical',
+    method: 'post',
+    params: data
+  })
+}
+
+export function collectOperationalData(data) {
+  return request({
+    url: '/data/collect/operational',
+    method: 'post',
+    params: data
+  })
+}
+
+export function getRealtimeData() {
+  return request({
+    url: '/data/dashboard/realtime',
+    method: 'get'
+  })
+}
+
+export function getHistoricalData(params) {
+  return request({
+    url: '/data/dashboard/historical',
+    method: 'get',
+    params: params
+  })
+}
diff --git a/healthlink-his-ui/src/api/reportmanage/bi.js b/healthlink-his-ui/src/api/reportmanage/bi.js
new file mode 100644
index 000000000..35fe3b024
--- /dev/null
+++ b/healthlink-his-ui/src/api/reportmanage/bi.js
@@ -0,0 +1,17 @@
+import request from '@/utils/request'
+
+export function generateBiReport(data) {
+  return request({
+    url: '/report/bi/generate',
+    method: 'post',
+    params: { type: data.type },
+    data: data.filters || {}
+  })
+}
+
+export function getBiDashboard() {
+  return request({
+    url: '/report/bi/dashboard',
+    method: 'get'
+  })
+}
diff --git a/healthlink-his-ui/src/views/datacollection/DataDashboard.vue b/healthlink-his-ui/src/views/datacollection/DataDashboard.vue
new file mode 100644
index 000000000..edce28fed
--- /dev/null
+++ b/healthlink-his-ui/src/views/datacollection/DataDashboard.vue
@@ -0,0 +1,144 @@
+<template>
+  <div class="app-container">
+    <el-card shadow="never">
+      <template #header>
+        <div class="card-header">
+          <span>数据大屏</span>
+          <div>
+            <el-select v-model="period" placeholder="时间范围" style="margin-right:10px;width:120px" @change="loadHistorical">
+              <el-option label="本周" value="week" />
+              <el-option label="本月" value="month" />
+              <el-option label="本季度" value="quarter" />
+              <el-option label="本年度" value="year" />
+              <el-option label="全部" value="all" />
+            </el-select>
+            <el-button type="primary" :loading="loading" @click="loadData">刷新</el-button>
+          </div>
+        </div>
+      </template>
+
+      <el-row :gutter="16" class="mb16">
+        <el-col :span="6">
+          <el-card shadow="hover" :body-style="{padding:'16px'}" class="stat-card">
+            <div style="text-align:center">
+              <div style="font-size:28px;font-weight:bold;color:#409eff">{{ formatMoney(screenData.totalRevenue) }}</div>
+              <div style="font-size:13px;color:#999;margin-top:4px">总收入(万)</div>
+            </div>
+          </el-card>
+        </el-col>
+        <el-col :span="6">
+          <el-card shadow="hover" :body-style="{padding:'16px'}" class="stat-card">
+            <div style="text-align:center">
+              <div style="font-size:28px;font-weight:bold;color:#67c23a">{{ formatMoney(screenData.totalProfit) }}</div>
+              <div style="font-size:13px;color:#999;margin-top:4px">总利润(万)</div>
+            </div>
+          </el-card>
+        </el-col>
+        <el-col :span="6">
+          <el-card shadow="hover" :body-style="{padding:'16px'}" class="stat-card">
+            <div style="text-align:center">
+              <div style="font-size:28px;font-weight:bold;color:#e6a23c">{{ screenData.totalPatients || 0 }}</div>
+              <div style="font-size:13px;color:#999;margin-top:4px">总患者数</div>
+            </div>
+          </el-card>
+        </el-col>
+        <el-col :span="6">
+          <el-card shadow="hover" :body-style="{padding:'16px'}" class="stat-card">
+            <div style="text-align:center">
+              <div style="font-size:28px;font-weight:bold;color:#f56c6c">{{ screenData.latestDrgCases || 0 }}</div>
+              <div style="font-size:13px;color:#999;margin-top:4px">DRG病例数</div>
+            </div>
+          </el-card>
+        </el-col>
+      </el-row>
+
+      <el-row :gutter="16" class="mb16">
+        <el-col :span="6">
+          <el-card shadow="hover" :body-style="{padding:'16px'}">
+            <div style="text-align:center">
+              <div style="font-size:22px;font-weight:bold;color:#409eff">{{ formatMoney(screenData.totalCost) }}</div>
+              <div style="font-size:13px;color:#999;margin-top:4px">总成本(万)</div>
+            </div>
+          </el-card>
+        </el-col>
+        <el-col :span="6">
+          <el-card shadow="hover" :body-style="{padding:'16px'}">
+            <div style="text-align:center">
+              <div style="font-size:22px;font-weight:bold;color:#67c23a">{{ screenData.latestCmiValue || '-' }}</div>
+              <div style="font-size:13px;color:#999;margin-top:4px">最新CMI值</div>
+            </div>
+          </el-card>
+        </el-col>
+        <el-col :span="6">
+          <el-card shadow="hover" :body-style="{padding:'16px'}">
+            <div style="text-align:center">
+              <div style="font-size:22px;font-weight:bold;color:#e6a23c">{{ screenData.latestCostControlRate || '-' }}%</div>
+              <div style="font-size:13px;color:#999;margin-top:4px">成本控制率</div>
+            </div>
+          </el-card>
+        </el-col>
+        <el-col :span="6">
+          <el-card shadow="hover" :body-style="{padding:'16px'}">
+            <div style="text-align:center">
+              <div style="font-size:22px;font-weight:bold;color:#909399">{{ screenData.totalRecords || 0 }}</div>
+              <div style="font-size:13px;color:#999;margin-top:4px">数据记录数</div>
+            </div>
+          </el-card>
+        </el-col>
+      </el-row>
+    </el-card>
+
+    <el-card shadow="never" class="mt16">
+      <template #header>
+        <span>科室收入分布</span>
+      </template>
+      <el-table :data="screenData.departmentChart || []" border stripe size="small">
+        <el-table-column prop="department" label="科室" width="180" show-overflow-tooltip />
+        <el-table-column label="收入(万)" align="right">
+          <template #default="{ row }">{{ formatMoney(row.revenue) }}</template>
+        </el-table-column>
+      </el-table>
+    </el-card>
+  </div>
+</template>
+
+<script setup name="DataDashboard" lang="ts">
+import { ref, onMounted } from 'vue'
+import { getRealtimeData, getHistoricalData } from '@/api/datacollection'
+
+const loading = ref(false)
+const period = ref('month')
+const screenData = ref({})
+
+function formatMoney(val) {
+  if (!val) return '0.00'
+  return (val / 10000).toFixed(2)
+}
+
+function loadData() {
+  loading.value = true
+  if (period.value === 'all') {
+    getRealtimeData().then(res => {
+      screenData.value = res.data || {}
+    }).finally(() => { loading.value = false })
+  } else {
+    getHistoricalData({ period: period.value }).then(res => {
+      screenData.value = res.data || {}
+    }).finally(() => { loading.value = false })
+  }
+}
+
+function loadHistorical() {
+  loadData()
+}
+
+onMounted(() => loadData())
+</script>
+
+<style lang="scss" scoped>
+.app-container { padding: 20px; }
+.mt16 { margin-top: 16px; }
+.mb16 { margin-bottom: 16px; }
+.stat-card { border-left: 3px solid; }
+.card-header { display: flex; justify-content: space-between; align-items: center; }
+</style>
diff --git a/healthlink-his-ui/src/views/reportmanage/BiDashboard.vue b/healthlink-his-ui/src/views/reportmanage/BiDashboard.vue
new file mode 100644
index 000000000..aac17cefe
--- /dev/null
+++ b/healthlink-his-ui/src/views/reportmanage/BiDashboard.vue
@@ -0,0 +1,131 @@
+<template>
+  <div class="app-container">
+    <el-card shadow="never">
+      <template #header>
+        <div class="card-header">
+          <span>BI决策报表</span>
+          <div>
+            <el-select v-model="reportType" placeholder="报表类型" style="margin-right:10px;width:140px" @change="loadDashboard">
+              <el-option v-for="item in reportTypes" :key="item.value" :label="item.label" :value="item.value" />
+            </el-select>
+            <el-button type="primary" :loading="loading" @click="handleGenerate">生成报表</el-button>
+          </div>
+        </div>
+      </template>
+
+      <el-row :gutter="16" class="mb16">
+        <el-col :span="4" v-for="card in summaryCards" :key="card.label">
+          <el-card shadow="hover" :body-style="{padding:'12px'}">
+            <div style="text-align:center">
+              <div :style="{fontSize:'20px',fontWeight:'bold',color:card.color}">{{ card.value }}</div>
+              <div style="font-size:12px;color:#999;margin-top:4px">{{ card.label }}</div>
+            </div>
+          </el-card>
+        </el-col>
+      </el-row>
+    </el-card>
+
+    <el-card v-if="report" shadow="never" class="mt16">
+      <template #header>
+        <span>报表数据 — {{ report.reportType }}</span>
+      </template>
+      <el-table :data="report.records || []" border stripe size="small" max-height="400">
+        <el-table-column prop="statDate" label="日期" width="110" align="center" />
+        <el-table-column prop="departmentName" label="科室" width="140" show-overflow-tooltip />
+        <el-table-column label="收入(万)" width="110" align="right">
+          <template #default="{ row }">{{ formatMoney(row.revenue) }}</template>
+        </el-table-column>
+        <el-table-column label="成本(万)" width="110" align="right">
+          <template #default="{ row }">{{ formatMoney(row.cost) }}</template>
+        </el-table-column>
+        <el-table-column prop="patientCount" label="患者数" width="90" align="center" />
+      </el-table>
+    </el-card>
+
+    <el-row v-if="report && report.charts" :gutter="16" class="mt16">
+      <el-col :span="12" v-if="report.charts.revenueChart && report.charts.revenueChart.length">
+        <el-card shadow="never">
+          <template #header><span>月度收支趋势</span></template>
+          <el-table :data="report.charts.revenueChart" border size="small">
+            <el-table-column prop="month" label="月份" width="100" align="center" />
+            <el-table-column label="收入(万)" align="right">
+              <template #default="{ row }">{{ formatMoney(row.revenue) }}</template>
+            </el-table-column>
+            <el-table-column label="成本(万)" align="right">
+              <template #default="{ row }">{{ formatMoney(row.cost) }}</template>
+            </el-table-column>
+          </el-table>
+        </el-card>
+      </el-col>
+      <el-col :span="12" v-if="report.charts.departmentChart && report.charts.departmentChart.length">
+        <el-card shadow="never">
+          <template #header><span>科室收入分布</span></template>
+          <el-table :data="report.charts.departmentChart" border size="small">
+            <el-table-column prop="department" label="科室" width="160" show-overflow-tooltip />
+            <el-table-column label="收入(万)" align="right">
+              <template #default="{ row }">{{ formatMoney(row.revenue) }}</template>
+            </el-table-column>
+          </el-table>
+        </el-card>
+      </el-col>
+    </el-row>
+  </div>
+</template>
+
+<script setup name="BiDashboard" lang="ts">
+import { ref, computed, onMounted } from 'vue'
+import { ElMessage } from 'element-plus'
+import { generateBiReport, getBiDashboard } from '@/api/reportmanage/bi'
+
+const loading = ref(false)
+const reportType = ref('overview')
+const dashboard = ref(null)
+const report = ref(null)
+const reportTypes = ref([])
+
+const summaryCards = computed(() => {
+  if (!dashboard.value) return []
+  const d = dashboard.value
+  return [
+    { label: '总收入(万)', value: formatMoney(d.totalRevenue), color: '#409eff' },
+    { label: '总成本(万)', value: formatMoney(d.totalCost), color: '#67c23a' },
+    { label: '总利润(万)', value: formatMoney(d.totalProfit), color: '#e6a23c' },
+    { label: '总患者数', value: d.totalPatients || 0, color: '#f56c6c' },
+    { label: '数据记录数', value: d.totalRecords || 0, color: '#909399' },
+    { label: 'CMI值', value: d.latestCmiValue || '-', color: '#409eff' }
+  ]
+})
+
+function formatMoney(val) {
+  if (!val) return '0.00'
+  return (val / 10000).toFixed(2)
+}
+
+function loadDashboard() {
+  loading.value = true
+  getBiDashboard().then(res => {
+    dashboard.value = res.data || {}
+    reportTypes.value = res.data?.reportTypes || []
+  }).finally(() => { loading.value = false })
+}
+
+function handleGenerate() {
+  loading.value = true
+  generateBiReport({ type: reportType.value }).then(res => {
+    report.value = res.data
+    ElMessage.success('报表生成完成')
+  }).catch(() => {
+    report.value = null
+    ElMessage.error('生成失败')
+  }).finally(() => { loading.value = false })
+}
+
+onMounted(() => loadDashboard())
+</script>
+
+<style lang="scss" scoped>
+.app-container { padding: 20px; }
+.mt16 { margin-top: 16px; }
+.mb16 { margin-bottom: 16px; }
+.card-header { display: flex; justify-content: space-between; align-items: center; }
+</style>