1. From a theoretical point of view, using the physician agency theory to construct a family physician contract services and a family physician (team) behavior theory analysis framework and research method system suitable for China's national conditions.
2. From the empirical point of view, from the demand side, analyze the needs of the family physician contract service, the status quo, and the behavior of the visit; from the supplier, understand the behavior changes and satisfaction of the family physician (team) after the implementation of the family physician contract service Degree situation
3. From an empirical perspective, from the level of primary medical institutions, use the sample area data to analyze the impact of family physicians' signing services on the number of visits and medical expenses;
4. From an empirical perspective, using the constructed theoretical analysis framework to analyze the implementation of the Chinese family physician contract service, including incentive mechanism (income, incentive performance salary and contract service fee), family physician team composition, family bed service, etc. The impact, especially on the quality and quantity of services.
5. From the empirical point of view, taking the key monitoring population (hypertension patients as an example) as a sample, further study the family physicians' contractual services, the changes in the practice behavior of family physicians to the key monitoring population (hypertension, diabetes patients), health outcomes, medical expenses The effect is to propose policy recommendations for family physicians' contracting services and physicians' behavior in the new medical reform in the future.