The invention relates to a web control technology for an embedded device and discloses a web menu control system and method for the embedded device. Menu display control of embedded user authority is supported, and memory resources of the embedded device are saved. The method comprises the steps that a, a web client sends an access request to a web server after receiving the access request of a login user; b, the web server returns a main page to the web client after verifying user login information successfully; c, the web client sends an http request for obtaining the authority serial number of the authority owned by the current login user to the web server; d, the web processor processes the http request, queries the authority serial number owned by the current login user and feeds back the authority serial number to the web client; and e, the web client calls a pre-established interface function authority menu configuration file to obtain target menu data according to the obtained authority serial number owned by the login user, generates a corresponding display menu, reloads the display menu to the main page and displays the display menu to the user. The method and the system are applicable to the menu display control of the user authority of the embedded device.