(2) because of the city's policy. From the aspects of strategic positioning, history and culture, resource endowment, information infrastructure, economic and social development level, etc., scientifically locate the city, rationally allocate resources, and carry out targeted planning and design.

(3) integration and sharing. The goal is to achieve data integration, business integration, technology integration, and cross-departmental, cross-system, cross-business, cross-level and cross-regional collaborative management and services.

(4) Coordinated development. Reflect the convergence and radiation application of data streams in urban agglomerations, central cities and surrounding counties and towns, and establish a coordinated development system in urban management, industrial development, social security and public services.

(5) Multi-participation. Opinions and suggestions of different roles such as government, enterprises and residents should be considered in the top-level design of smart cities.

(6) Green development. Considering the carrying capacity of urban resources and environment, it is oriented to realize sustainable development, energy-saving and environmental protection development and low-carbon circular development.

(7) innovation drive. It is necessary to reflect the application of new technologies in smart cities and the organic combination of smart cities and innovation and entrepreneurship, take smart cities as an important carrier driven by innovation, and promote the innovation of overall planning mechanism, management mechanism, operation mechanism and information technology.