Network selection method and device of multimode terminal

The invention discloses a network selection method and device of a multimode terminal. The method comprises the following steps that: the multimode terminal initiates a service request, and then obtains the historical record of the multimode terminal executing the service requested by the service request; the multimode terminal performs statistics of the online time of the service in a preset time period and the transmission flow in the preset time period according to the historical record; and the multimode terminal selects a network resident corresponding to a charge mode matched with the statistical online time and transmission flow. Through the invention, by selecting a network resident corresponding to the charge mode matched with the historical online time and transmission flow of the current service, the communication expenses of users are saved.