A mode switching method for a broadcast service is provided. A trigger instruction is determined when switching of a broadcast mode is to be performed. The trigger instruction is configured to instruct switching of the broadcast mode of a terminal. The trigger instruction is transmitted to an access network device to enable the access network device to transmit a switching request to a functional network element. The switching request is configured to instruct the functional network element to configure a corresponding mode parameter. The mode parameter is configured to instruct the access network device to update an execution parameter, to obtain a configuration parameter and to transmit the configuration parameter to the terminal. Switching to a corresponding broadcast mode is performed according to the configuration parameter to establish a wireless connection with the access network device.