Smart city is the sense of key information measurement, analysis, integration of the core city operations system using information and communication technology, so as to make intelligent response to various needs of the people's livelihood, including environmental protection, public security, city services, industrial and commercial activities. Its essence is the use of advanced information technology to achieve urban wisdom management and operation, and then for urban people to create a better life, and promote urban harmony and sustainable growth.
With the continuous development of human society, the city will bear more and more people in the future. At present, China is in the period of accelerated development of urbanization, and the problem of urban disease is becoming increasingly serious in some areas. In order to solve the problems of urban development, realize the sustainable development of cities and build smart cities, it has become an irreversible historical trend in the world's urban development.