Infrastructure refers to the physical engineering facilities that provide public services for social production and residents' life, and it is a public service system used to ensure the normal social and economic activities of a country or region. It is a general material condition for social survival and development.

Infrastructure includes transportation, post and telecommunications, water supply and power supply, commercial services, scientific research and technical services, landscaping, environmental protection, cultural education, health services and other municipal public works facilities and public life service facilities. They are the foundation of national economic development. In modern society, the more the economy develops, the higher the requirements for infrastructure; Perfect infrastructure plays a great role in accelerating social and economic activities and promoting the evolution of their spatial distribution. It often takes a long time and huge investment to build a perfect infrastructure. For new and expanded projects, especially major projects and base construction far away from cities, priority should be given to the development of infrastructure, so that benefits can be brought into play as soon as possible after the project is completed.