Internet-of-vehicle data processing method, terminal device, vehicle and internet-of-vehicle system

An embodiment of the invention discloses an internet-of-vehicle data processing method, a terminal device, a vehicle and an internet-of-vehicle system. The internet-of-vehicle data processing method comprises the following steps: obtaining identity identification card number; judging whether the digit number of the identity identification card number is larger than 12; if the digit number of the identity identification card number is larger than 12, carrying out compression on the identity identification card number according to preset rules to obtain 6-byte binary data; and writing the 6-byte binary data into a message header of an internet-of-vehicle communication protocol. The internet-of-vehicle data processing method, the terminal device, the vehicle and the internet-of-vehicle system can enrich the identity identification card number supported by the internet-of-vehicle communication protocol, enhance applicability of the internet-of-vehicle protocol and meet requirements of the internet-of-vehicle deve