diff --git a/src/main/java/com/interplug/qcast/biz/estimate/EstimateService.java b/src/main/java/com/interplug/qcast/biz/estimate/EstimateService.java
index 4779b336..3728eed6 100644
--- a/src/main/java/com/interplug/qcast/biz/estimate/EstimateService.java
+++ b/src/main/java/com/interplug/qcast/biz/estimate/EstimateService.java
@@ -336,11 +336,17 @@ public class EstimateService {
               message.getMessage("common.message.required.data", "User ID"));
     }
 
+    List<ItemRequest> circuitItemList = estimateRequest.getCircuitItemList(); //drawingFlg != "1" 인 경우 (도면 없이 저장) circuitItemList는 비어있어도 정상
+    List<ItemRequest> itemList = estimateRequest.getItemList();
+
+    if (itemList == null || itemList.isEmpty()) {
+      throw new QcastException(ErrorCode.INVALID_INPUT_VALUE,
+              message.getMessage("common.message.required.data", "itemList"));
+    }
+
     String splitStr = "、";
     List<RoofRequest> orgRoofList = new ArrayList<RoofRequest>();
     List<RoofRequest> roofList = new ArrayList<RoofRequest>();
-    List<ItemRequest> circuitItemList = estimateRequest.getCircuitItemList();
-    List<ItemRequest> itemList = estimateRequest.getItemList();
 
     estimateRequest.setTempFlg("0");