With the help of new generation technologies such as artificial intelligence, big data, cloud computing and Internet of Things, smart cities construct a brand new urban spatial foundation, real-time sense, analyze and process massive data generated in the process of urban operation, endow the operation and management of cities with "wisdom", make the urban infrastructure better connected, and make information and data fully flow and share, so as to solve the problem more effectively. In order to improve the efficiency and effect of the comprehensive utilization of resources and realize the sustainable development of the city, the problems in the development of the city should be solved, and the quality of life and happiness of the people should be improved.