China’’s hierarchical medical service system to the primary diagnosis, two-way referral, acute and slow divide, upper and lower linkage as the main content, including primary diagnosis and two-way referral for grading diagnosis and treatment of key issues. However, at present, there is a weak basic service in our country, and the patient has difficulty in transferring smoothly. From the perspective of game theory, this paper puts forward the strategy choice of non-zero-sum game in tertiary hospitals and primary health care institutions, and forms the community of interests of grass-roots medical institutions with the county hospitals as the starting point to achieve long-term supply and demand balance management. The government should give priority to the county level hospitals to promote the improvement of primary medical service ability, form a solid terminal of the hierarchical medical service system, provide efficient and continuous supply of medical and health services, realize the supply side structural reform, And effectively promote the classification of treatment policy landing, to build a more comprehensive system of diagnosis and treatment services.