diff --git a/frontend/src/pages/NewMaterialsPage.jsx b/frontend/src/pages/NewMaterialsPage.jsx
index 9888823..695680c 100644
--- a/frontend/src/pages/NewMaterialsPage.jsx
+++ b/frontend/src/pages/NewMaterialsPage.jsx
@@ -897,10 +897,10 @@ const NewMaterialsPage = ({
     const uniqueValues = React.useMemo(() => {
       const values = new Set();
       
-      // 현재 선택된 카테고리의 자재들만 필터링
-      const categoryMaterials = materials.filter(material => {
-        return material.classified_category === selectedCategory;
-      });
+      // 현재 선택된 카테고리의 자재들만 필터링 (최대 200개만 처리하여 성능 개선)
+      const categoryMaterials = materials
+        .filter(material => material.classified_category === selectedCategory)
+        .slice(0, 200);
       
       categoryMaterials.forEach(material => {
         const info = parseMaterialInfo(material);