diff --git a/interfaces/kits/js/@ohos.document.d.ts b/interfaces/kits/js/@ohos.document.d.ts
new file mode 100644
index 0000000000000000000000000000000000000000..1333942fe64968a00d2c1895f5815ccee37d40d1
--- /dev/null
+++ b/interfaces/kits/js/@ohos.document.d.ts
@@ -0,0 +1,63 @@
+/*
+ * 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 { AsyncCallback } from './basic'
+
+export default document;
+
+/**
+ * document
+ * @syscap SystemCapability.FileManagement.UserFileService
+ * @since 6
+ * @import import document from '@ohos.document';
+ * @permission N/A
+ */
+declare namespace document {
+    export { choose };
+    export { show };
+}
+
+/**
+ * choose.
+ *
+ * @note N/A
+ * @syscap SystemCapability.FileManagement.UserFileService
+ * @since 6
+ * @permission N/A
+ * @function choose
+ * @param {string} type - type.
+ * @param {AsyncCallback<void>} [callback] - callback.
+ * @returns {void | Promise<void>} no callback return Promise otherwise return void
+ * @throws {TypedError} Parameter check failed
+ */
+declare function choose(types?: string[]): Promise<string>;
+declare function choose(callback: AsyncCallback<string>): void;
+declare function choose(types: string[], callback: AsyncCallback<string>): void;
+
+/**
+ * show.
+ *
+ * @note N/A
+ * @syscap SystemCapability.FileManagement.UserFileService
+ * @since 6
+ * @permission N/A
+ * @function show
+ * @param {string} uri - uri.
+ * @param {string} type - type.
+ * @param {AsyncCallback<void>} [callback] - callback.
+ * @returns {void | Promise<void>} no callback return Promise otherwise return void
+ * @throws {TypedError} Parameter check failed
+ */
+declare function show(uri: string, type: string): Promise<void>;
+declare function show(uri: string, type: string, callback: AsyncCallback<void>): void;
\ No newline at end of file
diff --git a/interfaces/kits/js/src/mod_document/document_n_exporter.cpp b/interfaces/kits/js/src/mod_document/document_n_exporter.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..eacc54f8d40133cc7537f4c9486ef762bc984ed7
--- /dev/null
+++ b/interfaces/kits/js/src/mod_document/document_n_exporter.cpp
@@ -0,0 +1,43 @@
+/*
+ * 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.
+ */
+
+#include "document_n_exporter.h"
+
+#include <sys/statvfs.h>
+#include <tuple>
+
+#include "../common/napi/n_class.h"
+#include "../common/napi/n_func_arg.h"
+#include "../common/napi/n_val.h"
+#include "../common/uni_error.h"
+
+#include "../common/napi/n_async/n_async_work_callback.h"
+#include "../common/napi/n_async/n_async_work_promise.h"
+
+namespace OHOS {
+namespace DistributedFS {
+namespace ModuleDocument {
+napi_value Choose(napi_env env, napi_callback_info info)
+{
+    UniError(EINVAL).ThrowErr(env, "error");
+}
+
+napi_value Show(napi_env env, napi_callback_info info)
+{
+    UniError(EINVAL).ThrowErr(env, "error");
+}
+} // namespace ModuleDocument
+} // namespace DistributedFS
+} // namespace OHOS
\ No newline at end of file
diff --git a/interfaces/kits/js/src/mod_document/document_n_exporter.h b/interfaces/kits/js/src/mod_document/document_n_exporter.h
new file mode 100644
index 0000000000000000000000000000000000000000..653e1e6c7b2017863358e6ed8ab7bd1bffa9afb0
--- /dev/null
+++ b/interfaces/kits/js/src/mod_document/document_n_exporter.h
@@ -0,0 +1,29 @@
+/*
+ * 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.
+ */
+
+#ifndef DOCUMENT_N_EXPORTER_H
+#define DOCUMENT_N_EXPORTER_H
+
+#include "../common/napi/n_exporter.h"
+
+namespace OHOS {
+namespace DistributedFS {
+namespace ModuleDocument {
+napi_value Choose(napi_env env, napi_callback_info info);
+napi_value Show(napi_env env, napi_callback_info info);
+} // namespace ModuleDocument
+} // namespace DistributedFS
+} // namespace OHOS
+#endif // DOCUMENT_N_EXPORTER_H
\ No newline at end of file
diff --git a/interfaces/kits/js/src/mod_document/document_napi.cpp b/interfaces/kits/js/src/mod_document/document_napi.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..0d277c581668340e580c8a2eb7de9e5300675437
--- /dev/null
+++ b/interfaces/kits/js/src/mod_document/document_napi.cpp
@@ -0,0 +1,41 @@
+/*
+ * 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.
+ */
+
+#include "napi/native_api.h"
+#include "napi/native_node_api.h"
+
+#include "document_n_exporter.h"
+#include "document_napi.h"
+
+namespace OHOS {
+namespace DistributedFS {
+namespace ModuleDocument {
+/***********************************************
+ * Module export and register
+ ***********************************************/
+napi_value DocumentExport(napi_env env, napi_value exports)
+{
+    static napi_property_descriptor desc[] = {
+        DECLARE_NAPI_FUNCTION("choose", Choose),
+        DECLARE_NAPI_FUNCTION("show", Show),
+    };
+    NAPI_CALL(env, napi_define_properties(env, exports, sizeof(desc) / sizeof(desc[0]), desc));
+    return exports;
+}
+
+NAPI_MODULE(document, DocumentExport)
+} // namespace ModuleDocument
+} // namespace DistributedFS
+} // namespace OHOS
\ No newline at end of file
diff --git a/interfaces/kits/js/src/mod_document/document_napi.h b/interfaces/kits/js/src/mod_document/document_napi.h
new file mode 100644
index 0000000000000000000000000000000000000000..80cdd7c8b85539fcef210b5a522c0abe79102028
--- /dev/null
+++ b/interfaces/kits/js/src/mod_document/document_napi.h
@@ -0,0 +1,27 @@
+/*
+ * 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.
+ */
+
+#ifndef DOCUMENT_NAPI_H
+#define DOCUMENT_NAPI_H
+
+#include "napi/native_api.h"
+
+namespace OHOS {
+namespace DistributedFS {
+namespace ModuleDocument {
+} // namespace ModuleDocument
+} // namespace DistributedFS
+} // namespace OHOS
+#endif // DOCUMENT_NAPI_H
\ No newline at end of file