diff --git a/app/api/comprehensive_data.py b/app/api/comprehensive_data.py
index 042d10c..cc71229 100644
--- a/app/api/comprehensive_data.py
+++ b/app/api/comprehensive_data.py
@@ -17,7 +17,8 @@ from ..schemas.comprehensive_data import (
     SettlementDataCheckpointQueryRequest,
     LevelDataQueryRequest,
     LinecodeRequest,
-    NYIDRequest
+    NYIDRequest,
+    SectionByAccountRequest
 )
 from ..services.daily import DailyDataService
 from ..services.section_data import SectionDataService
@@ -402,4 +403,26 @@ def get_today_data(db: Session = Depends(get_db)):
             message=f"定时任务触发失败：{str(e)}",
             total=0,
             data={}
+        )
+# 查询断面数据对应观察点数据
+@router.post("/get_all_section_by_account", response_model=DataResponse)
+def get_all_section_by_account(request: SectionByAccountRequest, db: Session = Depends(get_db)):
+    """获取断面数据 + 观测点"""
+    try:
+        account_id = request.account_id
+        section_service = SectionDataService()
+        result_data = section_service.get_all_section_by_account(db, account_id=account_id)
+        return DataResponse(
+            code=ResponseCode.SUCCESS,
+            message="查询成功",
+            total=len(result_data),
+            data=result_data
+        )
+    except Exception as e:
+        logger.error(f"Query section data failed: {str(e)}")
+        return DataResponse(
+            code=ResponseCode.QUERY_FAILED,
+            message=f"{ResponseMessage.QUERY_FAILED}: {str(e)}",
+            total=0,
+            data=[]
         )
\ No newline at end of file
diff --git a/app/schemas/comprehensive_data.py b/app/schemas/comprehensive_data.py
index 1ef618c..03f8755 100644
--- a/app/schemas/comprehensive_data.py
+++ b/app/schemas/comprehensive_data.py
@@ -149,6 +149,9 @@ class SectionDataQueryRequest(BaseModel):
     foundation_treatment_method: Optional[str] = None
     rock_mass_classification: Optional[str] = None
     account_id: Optional[str] = None
+# 断面数据导入请求
+class SectionByAccountRequest(BaseModel):
+    account_id: Optional[str] = None
 
 # 水准数据查询请求
 class LevelDataQueryRequest(BaseModel):
diff --git a/app/services/section_data.py b/app/services/section_data.py
index 42fbbc7..20bdacc 100644
--- a/app/services/section_data.py
+++ b/app/services/section_data.py
@@ -20,7 +20,10 @@ class SectionDataService(BaseService[SectionData]):
         """根据断面ID获取断面数据"""
         sections = self.get_by_field(db, "section_id", section_id)
         return sections[0] if sections else None
-
+    def get_by_account_id(self, db: Session, account_id: str) -> Optional[SectionData]:
+        """根据账号ID获取断面数据"""
+        accounts = self.get_by_field(db, "account_id", account_id)  
+        return accounts[0] if accounts else None
     def get_by_number(self, db: Session, number: str) -> List[SectionData]:
         """根据桥梁墩(台)编号获取断面数据"""
         return self.get_by_field(db, "number", number)