License plate, commonly known as license plate, also refers to vehicle number plate. It's a board hanging on the front and rear of the car respectively. It is usually made of aluminum, iron, plastic or paper, with the registration number, registration area or other relevant information engraved on it.

The license plate is the registration of the number and information of each car. Its main function is to know the area of the vehicle through the license plate, and also to find the owner and registration information of the vehicle according to the license plate.