In the past two years, the parking lot system has combined some technologies of the Internet to integrate parking space query, reverse car search and self-service payment, which has made a qualitative change in the use of the parking lot system in the parking lot, making it more convenient for people to park and providing people with more intelligent life experience. Compared with the traditional card swiping parking lot system, the intelligent parking lot system uses license plate recognition technology and Internet technology to manage the vehicles entering and leaving the parking lot. License plate recognition technology is one of the most effective ways to solve the difficulties of vehicles entering and leaving the parking lot at present. The owner avoids the cumbersome steps of parking and card collection, and enters and leaves the parking lot at will through license plate recognition, It solves the problem of waiting in line and has been well applied in major parking lots. The use of Internet technology in the parking lot is the most advanced user experience at present. It makes full use of the convenience brought by mobile Internet technology to people's life. People can view the use status of parking spaces in the parking lot in real time through mobile phone mobile terminal. In view of the current parking difficulties, they can also carry out online reservation of parking spaces, route navigation and other functions, After parking, in order to avoid the cumbersome process caused by manual charging, we can pay the parking fee through the mobile terminal, and concentrate the previous manual management process on the mobile terminal through Internet technology. In this era of information explosion, the application of mobile Internet technology in the parking lot system, combined with the parking needs of users, Provide a more intelligent parking experience. The combination of parking lot system and Internet technology can be said to change the parking lot management from manual management to unmanned management. Similarly, intelligent management also makes the parking space utilization rate of the parking lot higher and solves the demand of the contradiction between vehicle supply and demand.