Method for switching WiFi access network to WiMAX access network and related equipment

The embodiment of the invention discloses a method for switching a WiFi access network to a WiMAX access network and related equipment, wherein the method comprises the following steps: receiving an access network switching request message sent by a terminal through the WiFi access network; maintaining current service connection of the terminal in a WiMAX core network; sending an access network switching response message to the terminal by the WiFi access network so that the terminal switches a radio frequency and carries out network access by the WiMAX access network; receiving an address binding updating message of the terminal, which is sent by the WiMAX access network and comprises a first address of the terminal when the terminal accesses by the WiMAX access network; and switching the current service connection of the terminal to the first address. According to the embodiment of the invention, the service continuity in the process of switching from the WiFi access network to the WiMAX access network in a single radio frequency mode can be guaranteed.