diff --git a/CMakeLists.txt b/CMakeLists.txt
index 8e7f11df..8d0d4a4a 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -147,6 +147,8 @@ file(COPY ${CMAKE_SOURCE_DIR}/default_plugins.json DESTINATION ${CMAKE_BINARY_DI
 add_subdirectory(plugins/modbus)
 add_subdirectory(plugins/mqtt)
 add_subdirectory(plugins/ekuiper)
+add_subdirectory(plugins/file)
+
 
 add_subdirectory(simulator)
 
diff --git a/plugins/file/CMakeLists.txt b/plugins/file/CMakeLists.txt
new file mode 100644
index 00000000..0dc1ebb6
--- /dev/null
+++ b/plugins/file/CMakeLists.txt
@@ -0,0 +1,11 @@
+set(LIBRARY_OUTPUT_PATH "${CMAKE_BINARY_DIR}/plugins")
+
+set(CMAKE_BUILD_RPATH ./)
+file(COPY ${CMAKE_SOURCE_DIR}/plugins/file/file.json DESTINATION ${CMAKE_BINARY_DIR}/plugins/schema/)
+
+set(PLUGIN_NAME plugin-file)
+set(PLUGIN_SOURCES file_plugin.c file_req.c)
+add_library(${PLUGIN_NAME} SHARED)
+target_include_directories(${PLUGIN_NAME} PRIVATE ${CMAKE_SOURCE_DIR}/include/neuron)
+target_sources(${PLUGIN_NAME} PRIVATE ${PLUGIN_SOURCES})
+target_link_libraries(${PLUGIN_NAME} neuron-base)
\ No newline at end of file
diff --git a/plugins/file/file.json b/plugins/file/file.json
new file mode 100644
index 00000000..fb713cb5
--- /dev/null
+++ b/plugins/file/file.json
@@ -0,0 +1,18 @@
+{
+    "tag_regex": [
+        {
+            "type": 13,
+            "regex": ""
+        }
+    ],
+    "file_length": {
+        "name": "file_length",
+        "description": "",
+        "attribute": "required",
+        "type": "int",
+        "default": 512,
+        "valid": {
+            "min": 1
+        }
+    }
+}
\ No newline at end of file
diff --git a/plugins/file/file_plugin.c b/plugins/file/file_plugin.c
new file mode 100644
index 00000000..7e14b081
--- /dev/null
+++ b/plugins/file/file_plugin.c
@@ -0,0 +1,155 @@
+/**
+ * NEURON IIoT System for Industry 4.0
+ * Copyright (C) 2020-2022 EMQ Technologies Co., Ltd All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ **/
+
+#include "file_req.h"
+
+static neu_plugin_t *driver_open(void);
+
+static int driver_close(neu_plugin_t *plugin);
+static int driver_init(neu_plugin_t *plugin);
+static int driver_uninit(neu_plugin_t *plugin);
+static int driver_start(neu_plugin_t *plugin);
+static int driver_stop(neu_plugin_t *plugin);
+static int driver_config(neu_plugin_t *plugin, const char *config);
+static int driver_request(neu_plugin_t *plugin, neu_reqresp_head_t *head,
+                          void *data);
+
+static int driver_group_timer(neu_plugin_t *plugin, neu_plugin_group_t *group);
+static int driver_validate_tag(neu_plugin_t *plugin, neu_datatag_t *tag);
+static int driver_write(neu_plugin_t *plugin, void *req, neu_datatag_t *tag,
+                        neu_value_u value);
+
+static const neu_plugin_intf_funs_t plugin_intf_funs = {
+    .open    = driver_open,
+    .close   = driver_close,
+    .init    = driver_init,
+    .uninit  = driver_uninit,
+    .start   = driver_start,
+    .stop    = driver_stop,
+    .setting = driver_config,
+    .request = driver_request,
+
+    .driver.validate_tag = driver_validate_tag,
+    .driver.group_timer  = driver_group_timer,
+    .driver.write_tag    = driver_write,
+};
+
+const neu_plugin_module_t neu_plugin_module = {
+    .version         = NEURON_PLUGIN_VER_1_0,
+    .module_name     = "file",
+    .module_descr    = "The plugin is used to read and write files.",
+    .module_descr_zh = "该插件用于读写文件。",
+    .intf_funs       = &plugin_intf_funs,
+    .kind            = NEU_PLUGIN_KIND_SYSTEM,
+    .type            = NEU_NA_TYPE_DRIVER,
+    .display         = true,
+    .single          = false,
+};
+
+static neu_plugin_t *driver_open(void)
+{
+    neu_plugin_t *plugin = calloc(1, sizeof(neu_plugin_t));
+
+    neu_plugin_common_init(&plugin->common);
+
+    return plugin;
+}
+
+static int driver_close(neu_plugin_t *plugin)
+{
+    free(plugin);
+
+    return 0;
+}
+
+static int driver_init(neu_plugin_t *plugin)
+{
+    plugin->events            = neu_event_new();
+    plugin->common.link_state = NEU_NODE_LINK_STATE_CONNECTED;
+
+    return 0;
+}
+
+static int driver_uninit(neu_plugin_t *plugin)
+{
+    neu_event_close(plugin->events);
+    plog_info(plugin, "node; file uininit ok");
+
+    return 0;
+}
+
+static int driver_start(neu_plugin_t *plugin)
+{
+    (void) plugin;
+
+    return 0;
+}
+
+static int driver_stop(neu_plugin_t *plugin)
+{
+    (void) plugin;
+
+    return 0;
+}
+
+static int driver_config(neu_plugin_t *plugin, const char *config)
+{
+    char *          err_param   = NULL;
+    neu_json_elem_t file_length = { .name = "file_length", .t = NEU_JSON_INT };
+
+    int ret = neu_parse_param((char *) config, &err_param, 1, &file_length);
+    if (ret != 0) {
+        plog_warn(plugin, "config:%s, decode error: %s", config, err_param);
+        free(err_param);
+        return -1;
+    }
+
+    plugin->file_length = file_length.v.val_int;
+
+    return 0;
+}
+
+static int driver_request(neu_plugin_t *plugin, neu_reqresp_head_t *head,
+                          void *data)
+{
+    (void) plugin;
+    (void) head;
+    (void) data;
+
+    return 0;
+}
+
+static int driver_validate_tag(neu_plugin_t *plugin, neu_datatag_t *tag)
+{
+    plog_debug(plugin, "validate tag success, name:%s, address:%s,type:%d ",
+               tag->name, tag->address, tag->type);
+
+    return 0;
+}
+
+static int driver_group_timer(neu_plugin_t *plugin, neu_plugin_group_t *group)
+{
+    return file_group_timer(plugin, group);
+}
+
+static int driver_write(neu_plugin_t *plugin, void *req, neu_datatag_t *tag,
+                        neu_value_u value)
+{
+    return file_write(plugin, req, tag, value);
+}
diff --git a/plugins/file/file_req.c b/plugins/file/file_req.c
new file mode 100644
index 00000000..49459d39
--- /dev/null
+++ b/plugins/file/file_req.c
@@ -0,0 +1,128 @@
+/**
+ * NEURON IIoT System for Industry 4.0
+ * Copyright (C) 2020-2022 EMQ Technologies Co., Ltd All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ **/
+
+#include <stdio.h>
+#include <sys/stat.h>
+#include <unistd.h>
+
+#include "file_req.h"
+
+struct file_group_data {
+    UT_array *tags;
+    char *    group;
+};
+
+static void plugin_group_free(neu_plugin_group_t *pgp);
+
+int file_group_timer(neu_plugin_t *plugin, neu_plugin_group_t *group)
+{
+    struct file_group_data *gd     = NULL;
+    int                     length = plugin->file_length;
+
+    if (group->user_data == NULL) {
+        gd                = calloc(1, sizeof(struct file_group_data));
+        group->user_data  = gd;
+        group->group_free = plugin_group_free;
+        utarray_new(gd->tags, &ut_ptr_icd);
+
+        gd->group = strdup(group->group_name);
+    }
+
+    utarray_foreach(group->tags, neu_datatag_t *, tag)
+    {
+        FILE *       f      = NULL;
+        struct stat  st     = { 0 };
+        char *       buf    = calloc(1, length);
+        neu_dvalue_t dvalue = { 0 };
+
+        if (stat(tag->address, &st) != 0) {
+            dvalue.type      = NEU_TYPE_ERROR;
+            dvalue.value.i32 = NEU_ERR_FILE_NOT_EXIST;
+            goto dvalue_result;
+        }
+        if ((f = fopen(tag->address, "rb+")) == NULL) {
+            nlog_error("open file:%s", tag->address);
+            dvalue.type      = NEU_TYPE_ERROR;
+            dvalue.value.i32 = NEU_ERR_PLUGIN_READ_FAILURE;
+            goto dvalue_result;
+        }
+
+        int ret = fread(buf, sizeof(char), length, f);
+        if (ret == 0) {
+            nlog_error("read file failed:%s", tag->address);
+            dvalue.type      = NEU_TYPE_ERROR;
+            dvalue.value.i32 = NEU_ERR_PLUGIN_READ_FAILURE;
+            goto dvalue_result;
+        }
+
+        fseek(f, 0, SEEK_END);
+        int size = ftell(f);
+        if (size > length) {
+            dvalue.type      = NEU_TYPE_ERROR;
+            dvalue.value.i32 = NEU_ERR_PLUGIN_READ_FAILURE;
+            goto dvalue_result;
+        }
+
+        dvalue.type = NEU_TYPE_STRING;
+        strncpy(dvalue.value.str, buf, strlen(buf));
+        fclose(f);
+
+    dvalue_result:
+        plugin->common.adapter_callbacks->driver.update(
+            plugin->common.adapter, group->group_name, tag->name, dvalue);
+
+        free(buf);
+    }
+
+    return 0;
+}
+
+static void plugin_group_free(neu_plugin_group_t *pgp)
+{
+    struct file_group_data *gd = (struct file_group_data *) pgp->user_data;
+
+    utarray_foreach(gd->tags, neu_datatag_t **, tag) { free(*tag); }
+
+    utarray_free(gd->tags);
+    free(gd->group);
+
+    free(gd);
+}
+
+int file_write(neu_plugin_t *plugin, void *req, neu_datatag_t *tag,
+               neu_value_u value)
+{
+    FILE *fp  = fopen(tag->address, "w");
+    int   ret = 0;
+
+    if (0 == fwrite(value.str, sizeof(char), strlen(value.str), fp)) {
+        nlog_error("write file failed:%s", tag->address);
+        ret = NEU_ERR_PLUGIN_WRITE_FAILURE;
+        goto dvalue_result;
+    }
+
+    neu_datatag_string_ltoh(value.str, strlen(value.str));
+
+dvalue_result:
+    fclose(fp);
+    plugin->common.adapter_callbacks->driver.write_response(
+        plugin->common.adapter, req, ret);
+
+    return 0;
+}
\ No newline at end of file
diff --git a/plugins/file/file_req.h b/plugins/file/file_req.h
new file mode 100644
index 00000000..ffdf34ce
--- /dev/null
+++ b/plugins/file/file_req.h
@@ -0,0 +1,37 @@
+/**
+ * NEURON IIoT System for Industry 4.0
+ * Copyright (C) 2020-2022 EMQ Technologies Co., Ltd All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ **/
+
+#ifndef _NEU_M_PLUGIN_file_REQ_H_
+#define _NEU_M_PLUGIN_file_REQ_H_
+
+#include <neuron.h>
+
+struct neu_plugin {
+    neu_plugin_common_t common;
+
+    neu_events_t *events;
+
+    int file_length;
+};
+
+int file_group_timer(neu_plugin_t *plugin, neu_plugin_group_t *group);
+int file_write(neu_plugin_t *plugin, void *req, neu_datatag_t *tag,
+               neu_value_u value);
+
+#endif
\ No newline at end of file