At present, China's urban construction faces many contradictions such as economic development and industrial structure adjustment, environmental protection, social governance models, and people's livelihood security. The construction of smart cities is the general trend. Many of our applications in smart cities have been at the forefront of the world. , Bicycle sharing, etc. , but there are also some problems, such as insufficient top-level design, lack of system regulations and innovation, etc. In addition, there are many aspects of smart city construction that do not take into account issues directly related to citizens, and citizens' perception is not obvious. How to combine the construction of smart cities with the interests of citizens and focus on the needs of the masses is the key to advancing the construction of smart cities and solving the problem of landing smart cities. The text is intended to emphasize:. ["China's smart city construction has taken the lead in the world.", 'Construction of smart cities faces many comprehensive problems.', 'Building smart cities can solve many contradictions in urban construction.', 'To build a smart city, connect the ground gas to the needs of the masses.']