Intelligent license plate recognition system adopts license plate recognition algorithm, which can quickly recognize license plate information. Is the vehicle into the parking lot can pass without stopping, the entrance greatly reduces the vehicle waiting time. The system is generally composed of license plate recognition camera, related billing software, charging display screen and intelligent gate. < P > is the mainstream system of parking lot management today, the whole system includes entrance equipment, export equipment, charge management equipment, image contrast equipment. Through the intelligent license plate recognition system, vehicles in and out can be realized without parking passage, temporary car entry without parking appearance payment automatic release, the whole license plate recognition parking lot system has a simple structure, stable installation, maintenance and easy to use.