diff --git a/src/hooks/module/useModuleBasicSetting.js b/src/hooks/module/useModuleBasicSetting.js
index 6aea3d59..7b2bc999 100644
--- a/src/hooks/module/useModuleBasicSetting.js
+++ b/src/hooks/module/useModuleBasicSetting.js
@@ -1277,6 +1277,16 @@ export function useModuleBasicSetting(tabNum) {
         })
 
         addCanvasMouseEventListener('mouse:up', (e) => {
+          if (trestlePolygon.modules.length > 0) {
+            //이미 설치된 모듈중에 한개만 가져옴
+            const mixAsgYn = trestlePolygon.modules[0].moduleInfo.mixAsgYn
+            //현재 체크된 모듈기준으로 혼합가능인지 확인 Y === Y, N === N 일때만 설치 가능
+            if (checkedModule[0].mixAsgYn !== mixAsgYn) {
+              swalFire({ text: getMessage('modal.module.basic.setting.module.placement.mix.asg.yn.error') })
+              return
+            }
+          }
+
           if (!inside) return
 
           //입력받은 값의 합