diff --git a/runtime/main/extend/systemplugin/napi/ohos_multimodalInput_pointer.js b/runtime/main/extend/systemplugin/napi/ohos_multimodalInput_pointer.js
new file mode 100644
index 00000000..1bf87446
--- /dev/null
+++ b/runtime/main/extend/systemplugin/napi/ohos_multimodalInput_pointer.js
@@ -0,0 +1,58 @@
+/*
+ * Copyright (c) 2021 Huawei Device Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import { paramMock } from "../utils"
+
+export function mockPointer() {
+  const pointer = {
+    setPointerVisible: function (...args) {
+      console.warn("multimodalInput.pointer.setPointerVisible interface mocked in the Previewer." +
+        "How this interface works on the" + " Previewer may be different from that on a real device.");
+      const len = args.length;
+      if (len < 1 || len > 2) {
+        console.warn("parameter number error");
+        return;
+      }
+      if (typeof args[0] !== 'boolean') {
+        console.warn("the first parameter error");
+        return;
+      }
+      if (len == 1) {
+        return new Promise((resolve, reject) => {
+          resolve();
+        })
+      } else {
+        if (typeof args[1] !== 'function') {
+          console.warn("the second parameter type must be function");
+          return;
+        }
+        args[1].call(this, paramMock.businessErrorMoc);
+      }
+    },
+    isPointerVisible: function (...args) {
+      console.warn("multimodalInput.pointer.isPointerVisible interface mocked in the Previewer." +
+        "How this interface works on the" + " Previewer may be different from that on a real device.");
+      const len = args.length
+      if (typeof args[len - 1] === 'function') {
+        args[len - 1].call(this, paramMock.businessErrorMoc, paramMock.paramBooleanMock);
+      } else {
+        return new Promise((resolve, reject) => {
+          resolve(paramMock.paramArrayMock);
+        })
+      }
+    },
+  };
+  return pointer
+}
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