The cruising range of pure electric vehicles is much lower than that of traditional vehicles when the fuel tank is full.The shorter cruising range means that consumers of pure electric vehicles have a higher degree of range anxiety.The lack of charging infrastructure undoubtedly further aggravates consumers'concerns about using pure electric vehicles.Therefore,it is necessary to consider the influence of battery SOC consumption and the efficiency change of systems such as AMT on the shift control law during vehicle operation.Further save the energy consumption of the vehicle and increase the driving range of the vehicle.