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 2eb4b280..d90c3684 100644
--- a/src/main/java/com/interplug/qcast/biz/estimate/EstimateService.java
+++ b/src/main/java/com/interplug/qcast/biz/estimate/EstimateService.java
@@ -448,6 +448,7 @@ public class EstimateService {
               itemRequest.setFileUploadFlg(itemResponse.getFileUploadFlg());
               itemRequest.setPkgMaterialFlg(itemResponse.getPkgMaterialFlg());
               itemRequest.setOpenFlg(itemResponse.getOpenFlg());
+              itemRequest.setUnitOpenFlg(itemResponse.getUnitOpenFlg());
               itemRequest.setDispCableFlg("CABLE_".equals(itemResponse.getItemGroup()) ? "1" : "0");
               itemRequest.setItemGroup(itemResponse.getItemGroup());
               itemRequest.setItemCtgGr(itemResponse.getItemCtgGr());
@@ -482,6 +483,7 @@ public class EstimateService {
               bomItem.setFileUploadFlg(itemResponse.getFileUploadFlg());
               bomItem.setPkgMaterialFlg(itemResponse.getPkgMaterialFlg());
               bomItem.setOpenFlg("0");
+              bomItem.setUnitOpenFlg("0");
               bomItem.setDispCableFlg("0");
               bomItem.setItemGroup(itemResponse.getItemGroup());
               bomItem.setItemCtgGr(itemResponse.getItemCtgGr());
@@ -729,6 +731,8 @@ public class EstimateService {
             !StringUtils.isEmpty(itemRequest.getPartAdd()) ? itemRequest.getPartAdd() : "0");
         itemRequest.setOpenFlg(
             !StringUtils.isEmpty(itemRequest.getOpenFlg()) ? itemRequest.getOpenFlg() : "0");
+        itemRequest.setUnitOpenFlg(
+                !StringUtils.isEmpty(itemRequest.getUnitOpenFlg()) ? itemRequest.getUnitOpenFlg() : "0");
         itemRequest.setItemChangeFlg(
             !StringUtils.isEmpty(itemRequest.getItemChangeFlg()) ? itemRequest.getItemChangeFlg()
                 : "0");
@@ -881,6 +885,7 @@ public class EstimateService {
               itemRequest.setFileUploadFlg(itemResponse.getFileUploadFlg());
               itemRequest.setItemGroup(itemResponse.getItemGroup());
               itemRequest.setOpenFlg(itemResponse.getOpenFlg());
+              itemRequest.setUnitOpenFlg(itemResponse.getUnitOpenFlg());
 
               break;
             }
@@ -1029,6 +1034,7 @@ public class EstimateService {
             itemRequest.setFileUploadFlg(itemResponse.getFileUploadFlg());
             itemRequest.setPkgMaterialFlg(itemResponse.getPkgMaterialFlg());
             itemRequest.setOpenFlg(itemResponse.getOpenFlg());
+            itemRequest.setUnitOpenFlg(itemResponse.getUnitOpenFlg());
             itemRequest.setDispCableFlg("CABLE_".equals(itemResponse.getItemGroup()) ? "1" : "0");
             itemRequest.setItemGroup(itemResponse.getItemGroup());
             itemRequest.setItemCtgGr(itemResponse.getItemCtgGr());
@@ -1063,6 +1069,7 @@ public class EstimateService {
             bomItem.setFileUploadFlg(itemResponse.getFileUploadFlg());
             bomItem.setPkgMaterialFlg(itemResponse.getPkgMaterialFlg());
             bomItem.setOpenFlg("0");
+            bomItem.setUnitOpenFlg("0");
             bomItem.setDispCableFlg("0");
             bomItem.setItemGroup(itemResponse.getItemGroup());
             bomItem.setItemCtgGr(itemResponse.getItemCtgGr());
@@ -1210,6 +1217,8 @@ public class EstimateService {
             !StringUtils.isEmpty(itemRequest.getPartAdd()) ? itemRequest.getPartAdd() : "0");
         itemRequest.setOpenFlg(
             !StringUtils.isEmpty(itemRequest.getOpenFlg()) ? itemRequest.getOpenFlg() : "0");
+        itemRequest.setUnitOpenFlg(
+                !StringUtils.isEmpty(itemRequest.getUnitOpenFlg()) ? itemRequest.getUnitOpenFlg() : "0");
         itemRequest.setItemChangeFlg(
             !StringUtils.isEmpty(itemRequest.getItemChangeFlg()) ? itemRequest.getItemChangeFlg()
                 : "0");
@@ -1415,6 +1424,14 @@ public class EstimateService {
           itemResponse.setSalePrice("OPEN");
           itemResponse.setSaleTotPrice("OPEN");
         }
+
+        String nullChk = StringUtils.isEmpty(itemResponse.getSalePrice()) ? "0" : itemResponse.getSalePrice();
+        if ("1".equals(itemResponse.getUnitOpenFlg()) && "1".equals(estimateRequest.getSchUnitPriceFlg())){
+
+          itemResponse.setSalePrice("OPEN");
+          itemResponse.setSaleTotPrice("OPEN");
+
+        }
       }
 
       // 합산 문자열 통화로 변환 처리
diff --git a/src/main/java/com/interplug/qcast/biz/estimate/dto/ItemRequest.java b/src/main/java/com/interplug/qcast/biz/estimate/dto/ItemRequest.java
index 00237d39..2b4e63cb 100644
--- a/src/main/java/com/interplug/qcast/biz/estimate/dto/ItemRequest.java
+++ b/src/main/java/com/interplug/qcast/biz/estimate/dto/ItemRequest.java
@@ -109,4 +109,7 @@ public class ItemRequest {
 
   @Schema(description = "아이템 타입 코드")
   public String itemTpCd;
+
+  @Schema(description = "unit price 아이템 오픈가 여부")
+  private String unitOpenFlg;
 }
diff --git a/src/main/java/com/interplug/qcast/biz/estimate/dto/ItemResponse.java b/src/main/java/com/interplug/qcast/biz/estimate/dto/ItemResponse.java
index 452016a2..46f6bb6c 100644
--- a/src/main/java/com/interplug/qcast/biz/estimate/dto/ItemResponse.java
+++ b/src/main/java/com/interplug/qcast/biz/estimate/dto/ItemResponse.java
@@ -88,4 +88,7 @@ public class ItemResponse {
 
   @Schema(description = "아이템 타입 코드")
   public String itemTpCd;
+
+  @Schema(description = "unit price 아이템 오픈가 여부")
+  private String unitOpenFlg;
 }
diff --git a/src/main/java/com/interplug/qcast/biz/object/ObjectService.java b/src/main/java/com/interplug/qcast/biz/object/ObjectService.java
index d42b254a..7ce3da5a 100644
--- a/src/main/java/com/interplug/qcast/biz/object/ObjectService.java
+++ b/src/main/java/com/interplug/qcast/biz/object/ObjectService.java
@@ -653,6 +653,7 @@ public class ObjectService {
                 itemRequest.setFileUploadFlg(itemResponse.getFileUploadFlg());
                 itemRequest.setItemGroup(itemResponse.getItemGroup());
                 itemRequest.setOpenFlg(itemResponse.getOpenFlg());
+                itemRequest.setUnitOpenFlg(itemResponse.getUnitOpenFlg());
 
                 break;
               }
diff --git a/src/main/resources/mappers/estimate/estimateMapper.xml b/src/main/resources/mappers/estimate/estimateMapper.xml
index 0a0d4c3d..044839c2 100644
--- a/src/main/resources/mappers/estimate/estimateMapper.xml
+++ b/src/main/resources/mappers/estimate/estimateMapper.xml
@@ -281,6 +281,7 @@
             , PEI.PKG_MATERIAL_FLG
             , PEI.FILE_UPLOAD_FLG
             , PEI.OPEN_FLG
+            , PEI.UNIT_OPEN_FLG
             , PEI.ITEM_CHANGE_FLG
             , PEI.DISP_CABLE_FLG
             , PEI.ITEM_TP_CD
@@ -321,6 +322,7 @@
             , II.ITEM_CTG_GR
             , ISNULL(PPM.SALE_PRICE, '0') AS SALE_PRICE
             , CASE WHEN PPM.SALE_PRICE = 0 THEN '1' ELSE '0' END AS OPEN_FLG
+            , CASE WHEN PPM.UNIT_PRICE = 0 AND PPM.SALE_PRICE <![CDATA[ <> ]]> 0 THEN '1' ELSE '0' END AS UNIT_OPEN_FLG
         FROM M_ITEM I WITH (NOLOCK)
         INNER JOIN M_ITEM_INFO II WITH (NOLOCK)
             ON I.ITEM_ID = II.ITEM_ID
@@ -837,6 +839,7 @@
             , PKG_MATERIAL_FLG
             , FILE_UPLOAD_FLG
             , OPEN_FLG
+            , UNIT_OPEN_FLG
             , ITEM_CHANGE_FLG
             , DISP_CABLE_FLG
             , ITEM_TP_CD
@@ -856,6 +859,7 @@
             , #{pkgMaterialFlg}
             , #{fileUploadFlg}
             , #{openFlg}
+            , #{unitOpenFlg}
             , #{itemChangeFlg}
             , #{dispCableFlg}
             , #{itemTpCd}