The utility model discloses a terminal used to access the mobile network or wireless local area networks. The terminal comprises a PC's Wlan network card which is used to connect the wireless local area networks. The PC is also provided with the wireless data card and the management module; the wireless data card is used to connect the mobile network as well as authorize and certify the Wlan network card's access to the wireless local area networks; the control module is respectively connected with the wireless data card and the Wlan network card, so as to conduct relevant control. The Wlan network card is also initialized and the network information from the Wlan network card and the wireless data card can be sent to the operating interface of the PC. The utility model can help the user selectively access 3G mobile network and Wlan network, so as to not only provide the users with convenience, but branch out the service scope of the mobile carriers.