diff --git a/tushare/src/api.py b/tushare/src/api.py
index 5d6d6b0..4fb72f6 100644
--- a/tushare/src/api.py
+++ b/tushare/src/api.py
@@ -193,3 +193,10 @@ def list_candles(
             return [dict(zip(cols, row)) for row in cur.fetchall()]
     finally:
         conn.close()
+
+
+@app.post("/api/v1/admin/reset-data")
+def reset_data():
+    """清空所有行情数据（仅限管理员调用）。"""
+    storage.truncate_all()
+    return {"status": "ok", "message": "已清空所有行情数据"}
diff --git a/tushare/src/storage.py b/tushare/src/storage.py
index 0363824..c3ca757 100644
--- a/tushare/src/storage.py
+++ b/tushare/src/storage.py
@@ -152,3 +152,14 @@ def get_latest_score(ts_code: str, db_url: str = DEFAULT_DB_URL) -> Optional[dic
             return dict(row) if row else None
     finally:
         conn.close()
+
+
+def truncate_all(db_url: str = DEFAULT_DB_URL):
+    """清空所有行情数据（candles + scores），保留用户表。"""
+    conn = _get_conn(db_url)
+    try:
+        with conn.cursor() as cur:
+            cur.execute("TRUNCATE TABLE candles, scores")
+        conn.commit()
+    finally:
+        conn.close()
diff --git a/web/backend/internal/handlers/reset.go b/web/backend/internal/handlers/reset.go
new file mode 100644
index 0000000..caadabb
--- /dev/null
+++ b/web/backend/internal/handlers/reset.go
@@ -0,0 +1,22 @@
+package handlers
+
+import (
+	"fmt"
+	"io"
+	"net/http"
+	"time"
+)
+
+func (d *Deps) AdminResetData(w http.ResponseWriter, r *http.Request) {
+	client := &http.Client{Timeout: 10 * time.Second}
+	resp, err := client.Post(d.TushareURL+"/api/v1/admin/reset-data", "application/json", nil)
+	if err != nil {
+		writeErr(w, http.StatusBadGateway, fmt.Sprintf("tushare service unavailable: %v", err))
+		return
+	}
+	defer resp.Body.Close()
+
+	w.Header().Set("Content-Type", "application/json")
+	w.WriteHeader(resp.StatusCode)
+	_, _ = io.Copy(w, resp.Body)
+}
diff --git a/web/backend/internal/router/router.go b/web/backend/internal/router/router.go
index e109c27..8fd5dbc 100644
--- a/web/backend/internal/router/router.go
+++ b/web/backend/internal/router/router.go
@@ -38,6 +38,7 @@ func New(d *handlers.Deps, dist fs.FS) http.Handler {
 				r.Post("/admin/users", d.AdminCreateUser)
 				r.Patch("/admin/users/{id}", d.AdminPatchUser)
 				r.Delete("/admin/users/{id}", d.AdminDeleteUser)
+				r.Post("/admin/reset-data", d.AdminResetData)
 			})
 		})
 	})
diff --git a/web/frontend/src/App.vue b/web/frontend/src/App.vue
index 9a92b7c..2ef8a9c 100644
--- a/web/frontend/src/App.vue
+++ b/web/frontend/src/App.vue
@@ -1,9 +1,11 @@
 <script setup lang="ts">
 import { computed, ref } from 'vue'
 import { useRouter, useRoute } from 'vue-router'
+import { ElMessage, ElMessageBox } from 'element-plus'
 import { useAuthStore } from '@/stores/auth'
 import { useThemeStore } from '@/stores/theme'
 import { useMobile } from '@/composables/useMobile'
+import { resetAllData } from '@/api/admin'
 
 const auth = useAuthStore()
 const theme = useThemeStore()
@@ -12,6 +14,7 @@ const route = useRoute()
 const { isMobile } = useMobile()
 
 const drawerOpen = ref(false)
+const resetting = ref(false)
 
 const showLayout = computed(() => route.meta.layout !== 'blank' && !!auth.token)
 
@@ -29,6 +32,26 @@ function logout() {
 function closeDrawer() {
   drawerOpen.value = false
 }
+
+async function handleReset() {
+  closeDrawer()
+  try {
+    await ElMessageBox.prompt('此操作将清空所有行情数据（candles + scores），不可恢复。请输入"确认重置"后继续：', '数据重置', {
+      confirmButtonText: '确认重置',
+      cancelButtonText: '取消',
+      inputPattern: /^确认重置$/,
+      inputErrorMessage: '请输入"确认重置"',
+      type: 'warning',
+    })
+    resetting.value = true
+    await resetAllData()
+    ElMessage.success('已清空所有行情数据')
+  } catch {
+    // user cancelled
+  } finally {
+    resetting.value = false
+  }
+}
 </script>
 
 <template>
@@ -47,6 +70,9 @@ function closeDrawer() {
         <el-menu-item index="/chart">K 线 / 持仓</el-menu-item>
         <el-menu-item index="/run">手动打分</el-menu-item>
         <el-menu-item v-if="auth.isAdmin" index="/admin/users">用户管理</el-menu-item>
+        <el-menu-item v-if="auth.isAdmin" :index="() => {}" @click="handleReset" :disabled="resetting">
+          数据重置
+        </el-menu-item>
       </el-menu>
     </el-aside>
 
diff --git a/web/frontend/src/api/admin.ts b/web/frontend/src/api/admin.ts
new file mode 100644
index 0000000..e30f81c
--- /dev/null
+++ b/web/frontend/src/api/admin.ts
@@ -0,0 +1,5 @@
+import client from './client'
+
+export function resetAllData() {
+  return client.post('/admin/reset-data').then((r) => r.data)
+}