Digital key pairing method and system and electronic equipment

The embodiment of the invention discloses a pairing method of a digital key, which is applied to a client and comprises the following steps: binding with a target vehicle-mounted terminal according to a unique identifier of the target vehicle-mounted terminal; in response to an activation operation of a user, establishing a communication connection with the target vehicle-mounted terminal based on the initial physical address of the target vehicle-mounted terminal; acquiring a digital certificate and a public key signed and issued by the target vehicle terminal to obtain a digital key; synchronizing the public key and the digital certificate to a server, and obtaining a reset physical address issued by the server; and sending the reset physical address to the target vehicle-mounted terminal, and re-establishing communication connection with the target vehicle-mounted terminal based on the reset physical address to complete pairing of the digital key and the target vehicle-mounted terminal. Correspondingly, th