Meaning: The first "1" is the draft of the Decision, which is in charge of all aspects of system construction and plays an overall role. The second "1" is an opinion draft, which makes arrangements for the reform of disease control system and the construction of public health system. "N" is a series of supporting documents about public health, emergency management, the development of big health industry, and urban and rural grassroots social governance.
The institutional system of "1+ 1+N" is an organic whole that is interrelated and mutually supportive.