diff --git a/src/components/fabric/QPolygon.js b/src/components/fabric/QPolygon.js
index 2cb17965..6c4c7f5e 100644
--- a/src/components/fabric/QPolygon.js
+++ b/src/components/fabric/QPolygon.js
@@ -2,7 +2,7 @@ import { fabric } from 'fabric'
 import { v4 as uuidv4 } from 'uuid'
 import { QLine } from '@/components/fabric/QLine'
 import { distanceBetweenPoints, findTopTwoIndexesByDistance, getDirectionByPoint, sortedPointLessEightPoint, sortedPoints } from '@/util/canvas-util'
-import { calculateAngle, drawHippedRoof, splitPolygonWithLines, toGeoJSON } from '@/util/qpolygon-utils'
+import { calculateAngle, drawHippedRoof, inPolygon, lineIntersect, splitPolygonWithLines, toGeoJSON } from '@/util/qpolygon-utils'
 import * as turf from '@turf/turf'
 
 export const QPolygon = fabric.util.createClass(fabric.Polygon, {
@@ -244,9 +244,7 @@ export const QPolygon = fabric.util.createClass(fabric.Polygon, {
           { x: rectLeft + rectWidth, y: rectTop },
         ]
 
-        const allPointsInside = this.inPolygon2(rectPoints)
-
-        if (allPointsInside) {
+        if (inPolygon(this.points, rectPoints)) {
           const rect = new fabric.Rect({
             left: rectLeft,
             top: rectTop,
diff --git a/src/util/qpolygon-utils.js b/src/util/qpolygon-utils.js
index 8ba2a3c9..258f5d97 100644
--- a/src/util/qpolygon-utils.js
+++ b/src/util/qpolygon-utils.js
@@ -2670,3 +2670,25 @@ export const toGeoJSON = (pointsArray) => {
 
   return coordinates
 }
+
+export const inPolygon = (polygonPoints, rectPoints) => {
+  const polygonCoordinates = toGeoJSON(polygonPoints)
+  const rectCoordinates = toGeoJSON(rectPoints)
+
+  const polygonFeature = turf.polygon([polygonCoordinates])
+  const rectFeature = turf.polygon([rectCoordinates])
+
+  // 사각형의 모든 꼭짓점이 다각형 내부에 있는지 확인
+  const allPointsInsidePolygon = rectCoordinates.every((coord) => {
+    const point = turf.point(coord)
+    return turf.booleanPointInPolygon(point, polygonFeature)
+  })
+
+  // 다각형의 모든 점이 사각형 내부에 있지 않은지 확인
+  const noPolygonPointsInsideRect = polygonCoordinates.every((coord) => {
+    const point = turf.point(coord)
+    return !turf.booleanPointInPolygon(point, rectFeature)
+  })
+
+  return allPointsInsidePolygon && noPolygonPointsInsideRect
+}