A method for managing a mobile broadband device includes receiving, by the Web interface module via the Web protocol stack module, a management command that is sent by a user on a Web management page of a host device, where the Web management page is provided by the Web interface module; sending, by the Web interface module via the Web protocol stack module, the management command to the Web service implementing module; and receiving, by the Web service implementing module, the management command, and invoking an application programming interface that corresponds to the management command to execute the management command.