Embodiments disclose a network accessing method for a mobile terminal, and a mobile terminal. In some implementation manners of the present invention, a mobile terminal reads a help request used for accessing a network by another mobile terminal; sends a beacon channel on a beacon channel resource allocated by a base station of the network, and sends a broadcast signal on a broadcast channel resource corresponding to the beacon channel resource, where the broadcast signal includes an access resource; and receives an access request of the another mobile terminal on the access resource, and assists the another mobile terminal in accessing the network.