The application provides a method and a device for switching a link, which are applied to a vehicle-mounted access point AP. The method comprises the steps as follows: obtaining the current position of the vehicle-mounted AP; determining an area type of a signal area where the vehicle-mounted AP is located according to the current position of the vehicle-mounted AP; selecting a corresponding link switching manner to switch the link according to the area type of the signal area where the vehicle-mounted AP is located. The method for switching the link based on position information of the application could avoid frequent switch of the link, simultaneously reduce system consumption and improve reliability and operating efficiency of wireless communication.