Hospital classification standard is an index to evaluate the qualification of hospitals in China according to their functions, facilities and technical strength. National unity, regardless of hospital background, regardless of ownership. According to the "Hospital Classification Management Standard", the hospital is determined to be three levels after review, and each level is further divided into A, B and C. Among them, the third-level hospital is added with a special grade, so the hospital is divided into three levels and ten levels.

Hospital level, divided into one, two and three levels:

A three-level first-class hospital is a primary hospital that directly provides comprehensive services such as medical treatment, prevention, rehabilitation and health care for the community, and is a first-class medical and health institution. Its main function is to directly provide primary prevention for the population, manage frequently-occurring and common patients in the community, make correct referrals for difficult and severe cases, assist high-level hospitals to provide intermediate or post-hospital services, and rationally divert patients.

Secondary hospitals are regional hospitals that provide medical and health services across several communities, and are the technical centers of regional medical prevention. Its main function is to participate in guiding the monitoring of high-risk groups, accept first-class referrals, provide professional and technical guidance for first-class hospitals, and conduct teaching and scientific research to a certain extent.

Tertiary hospitals are hospitals that provide medical and health services across regions, provinces, cities and the whole country, and are medical prevention technical centers with comprehensive medical treatment, teaching and scientific research capabilities. Its main function is to provide medical services for specialties (including special specialties), solve critical and difficult diseases, accept secondary referral, and provide professional technical guidance and personnel training for lower-level hospitals; Complete the teaching of cultivating all kinds of senior medical talents and undertake the tasks of scientific research projects at or above the provincial level; Participate in and guide primary and secondary prevention work.