According to the network information query, the difference between high-risk and medium-risk in Fuzhou lies in: in high-risk areas, generally speaking, there are more than 51 cases in COVID-19, and there is a cluster epidemic within 14 days; The medium-risk area refers to the newly confirmed cases in COVID-19 within 14 days, and the total number of confirmed cases in COVID-19 does not exceed 51. In the medium-risk areas, the strategy of external import and internal proliferation prevention should be implemented to restore normal life in an orderly manner as soon as possible. Relevant organizational personnel can return to their posts in an orderly manner first, guide the employing enterprises to strictly implement the epidemic prevention work, and at the same time promote the epidemic prevention and control and the enterprises to resume work and production.