A pairing method implemented in a first device includes obtaining identification information of a second device. The pairing method also includes transmitting a pairing request message to the second device, the pairing request message carrying a system key. The pairing method also includes receiving a pairing response message from the second device. The pairing method also includes analyzing the pairing response message based on the system key. The pairing method further includes verifying the analyzed pairing response message based on the identification information.