Safety authentication method of vehicle-mounted information entertainment terminal

The invention discloses a safety authentication method of a vehicle-mounted information entertainment terminal. The safety authentication method comprises the following steps of registering the vehicle-mounted information entertainment terminal and authenticating legal identity of the vehicle-mounted information entertainment terminal, wherein the step of registering comprises the following steps of: obtaining vehicle information and cell phone information; generating an ID (Identity) number based on the vehicle information and the cell phone information; and generating an access key based on the vehicle information, the cell phone information, the ID number and user information; the step of authenticating the legal identity of the vehicle-mounted information entertainment terminal comprises the following steps of: verifying whether the ID number of the vehicle-mounted information entertainment terminal is legal; and verifying whether the access key is accurate, and visiting a background server after the ID number and the access key pass the verification. According to the safety authentication method, the safety is increased and the user experience is improved.