A method includes a first device and sends a network scanning request to a second device over a short-range wireless communication connection between the first device and the second device; the first device receives a scanning result that is of at least one first wireless signal and that is sent by the second device; and the first device sends a wireless connection request to at least one third device based on a wireless signal scanning result to establish a wireless connection to the at least one third device, where the wireless signal scanning result includes the scanning result of the at least one first wireless signal.