According to the "Hospital Classification and Management Standards", hospitals are classified into one, two and three levels according to their functions and tasks, from low to high, of which the tertiary level hospitals are the highest level. It is a hospital that provides high-level specialized medical and health services to several regions and performs higher education and ophthalmology tasks above the regional level. Each level is divided into A, B, C, each level to A for the highest, the third class A hospital represents the hospital in the same kind of hospitals in the largest scale, the highest level of medical technology.
The state has very strict requirements for the hardware and software of a Class IIIA hospital. In terms of hardware, it is required that the hospital's floor space and the number of beds should reach a certain standard, and the medical equipment must reach the state's advanced level. In terms of software, it is required that the hospital's technical strength, including the number of senior and middle-level titles, medical achievements and technical level, should be in a leading position in the country; in addition, in the aspect of management, the quality of medical care and the quality of service must be controlled and the quality of service must be maintained. The control of medical quality and the management of service quality are standardized.
The highest level in the domestic hospital rating. General provincial hospitals, hospitals affiliated with national medical schools are all three.