Vehicle identity authentication method capable of evenly sharing RSU calculated amount

The invention discloses a vehicle identity authentication method capable of evenly sharing the RSU calculated amount. The method comprises the following steps that a vehicle is marked and a message is sent, wherein the step comprises message processing level calculating, message signature generating and processing level signature generating; a region server coordinates RSU, wherein the step comprises a coordinating period and a working period; calculation replacing RSU assist delegation RSU to perform identity authentication on the vehicle message; the region server verifies a message processing level of the vehicle.