diff --git a/arkui-plugins/ui-plugins/struct-translators/factory.ts b/arkui-plugins/ui-plugins/struct-translators/factory.ts
index f3f39c246245dae2a94bf760f4afe87d759e212c..4f9fa2d7dd834a1b392e4d9f89498f79adb3a2a5 100644
--- a/arkui-plugins/ui-plugins/struct-translators/factory.ts
+++ b/arkui-plugins/ui-plugins/struct-translators/factory.ts
@@ -23,6 +23,7 @@ import {
     getTypeNameFromTypeParameter,
     getTypeParamsFromClassDecl,
     isCustomComponentInterface,
+    MemoNames,
 } from '../utils';
 import { factory as uiFactory } from '../ui-factory';
 import { factory as propertyFactory } from '../property-translators/factory';
@@ -528,6 +529,13 @@ export class factory {
         return arkts.factory.updateClassDeclaration(node, newClassDef);
     }
 
+    static transformTSTypeAlias(node: arkts.TSTypeAliasDeclaration): arkts.TSTypeAliasDeclaration {
+        if (arkts.isETSFunctionType(node.typeAnnotation) && hasDecorator(node.typeAnnotation, DecoratorNames.BUILDER)) {
+            node.typeAnnotation.setAnnotations([arkts.annotation(MemoNames.MEMO)])
+        } 
+        return node;
+    }
+
     static updateObservedTrackClassDef(node: arkts.ClassDefinition): arkts.ClassDefinition {
         const isObserved: boolean = hasDecorator(node, DecoratorNames.OBSERVED);
         const classHasTrack: boolean = node.body.some(
diff --git a/arkui-plugins/ui-plugins/struct-translators/struct-transformer.ts b/arkui-plugins/ui-plugins/struct-translators/struct-transformer.ts
index 05b470a094ad4abbd31a1c6c481206577da420f5..4dbead9c6d73d879d36abe7f6b9a78e7cff336fa 100644
--- a/arkui-plugins/ui-plugins/struct-translators/struct-transformer.ts
+++ b/arkui-plugins/ui-plugins/struct-translators/struct-transformer.ts
@@ -98,6 +98,8 @@ export class StructTransformer extends AbstractVisitor {
             return addMemoAnnotation(node);
         } else if (arkts.isEtsScript(node) && ImportCollector.getInstance().importInfos.length > 0) {
             ImportCollector.getInstance().insertCurrentImports(this.program);
+        } else if (arkts.isTSTypeAliasDeclaration(node)) {
+            return factory.transformTSTypeAlias(node);
         }
         return node;
     }