Auxiliary mobile data distribution method, communication device and mobile device

The invention discloses an auxiliary mobile data distribution method, a communication device and a mobile device. The auxiliary mobile data distribution method comprises the steps of receiving a mobile communication signal though an auxiliary communication device under a mobile communication mode and verifying whether a message transmission terminal of the mobile communication signal is connected with the auxiliary communication device. If the message transmission terminal is connected with the auxiliary communication device, first communication connection of the auxiliary communication device and the message transmission terminal under the communication mode is constructed, by the aid of the first communication connection, set network data is sent to the message transmission terminal and is used for enabling the message transmission terminal to be started and to enter a first wireless network mode, and network access is achieved through the first wireless network mode.