The public medical service is the important constitutionalism policy that the system safeguards people's social right for the countries all over the world, this, in order to remedy market failure of the hygiene welfare policy, but because of bureaucrat, level regulation, professional authority, resource allocation uneven and information asymmetry, etc. factor, in policy implement as to produce conflict and bad phenomenon with relations of caring for patients. The social capital theory since Colemn was pressed for in 1990, has been caused American-European countries emphasize and use it to promote social welfare policy and government reengineer project far and wide. On the other side the social trust and the social network are the basic function of the social capital theory and that could improve government to cooperate and dispel estrangement with people too. According to the article 157 of the constitution law, the National Health Administration of executive organ has builds sets up the public medical institutions sum of 35 signs in the whole country and offering various types of medical treatment service and community health education. In order to research that the accumulation of the social capital in the influence and practice of the relation between the public medical institutions and caring the disease, this article will analyze social capital theory and practice through the hygiene policy planning of National Health Administration.