A method for vehicle model recognition of moving vehicle includes the following steps: a vehicle is driven to pass by a light-emitting device and a light receiver, wherein, the light-emitting device is arranged at one side of the recognized vehicle, while the light receiver is arranged at the other side of the recognized vehicle; a controller controls the light-emitting device to emit light beam at one side of the vehicle; the light receiver receives the light beam which is not blocked off by the vehicle at the other side of the vehicle and transmits the light beam to the controller; the controller determines the outline of at least one part of the recognized vehicle; finally, the outline of at least one part is compared with the vehicle information stored in the controller so that the controller can recognize the type of the recognized vehicle. With the method, corresponding scanning control mode can be adopted for different vehicles; therefore, a detected vehicle can obtain complete detecting information and high image index and both driver and passenger receive minimum dosage.