Automobile mileage storage protection device and automobile

The invention discloses an automobile mileage storage protection device which comprises a wheel speed sensor, an engine control module, a vehicle body control module, a mileage calculation unit and an independent display module, wherein the engine control module is integrated with an anti-theft unit; the vehicle body control module is similarly integrated with the anti-theft unit; the engine control module and the vehicle body control module form an anti-theft engine system; the mileage calculation unit is integrated into the vehicle body control module; the mileage calculation unit receives a mileage signal transmitted by the engine control module to calculate the mileage and transmitting the mileage message to the display module so as to be displayed; the mileage calculation unit comprises a storage protection subunit, at least one first storage subunit and at least one second storage subunit. According to the automobile mileage storage protection device disclosed by the invention, the mileage data can be effectively prevented from being subjected to zero clearing and tampered.