"Five tasks" refers to the arrangement of eighteen specific tasks around the construction of a national central city from five aspects: industrial base, reform and innovation, location advantage, opening to the outside world and humanistic characteristics.

"Five Features" and "Five Functions" that an applicant must possess to become a national central city.

A national central city must have five characteristics: first, the state organizes economic activities and allocates resources; Second, the national comprehensive transportation and information network hub; Third, the National Science, Education and Cultural Innovation Center; Fourth, it has international influence and competitiveness; Fifth, the "spire city" with the strongest comprehensive strength of the national urban system.

National central cities must have five functions: comprehensive service function, industrial agglomeration function, logistics hub function, open highland function and humanistic cohesion function.