卫生系统对居民提供普遍、及时、经济、有效的卫生服务,最大限度地满足人群的医疗需要,是卫生部门的一项基本任务。卫生服务研究可以从卫生服务接受者,即患者和健康者为一方;从卫生服务提供者为另一方作为研究对象,两个方面互相联系组成卫生服务的研究体系。卫生服务普及性是从上述两个方面互相联系出发,研究改进卫生服务的方法和途径,为决策人员提供科学依据。因此,研究卫生服务普及性既有一定理论意义,又有一定实际意义。卫生部门一系列的改革措施,如建设城乡医疗 Health systems provide residents with universal, timely, economical, and effective health services and meet the medical needs of the population to the maximum extent. This is a basic task of the health sector. The research on health services can be based on the health service recipients, that is, the patient and the health person on the one hand; the health service provider on the other hand, the research object on the other hand and the two aspects that are linked to each other to form the research system of the health service. The prevalence of health services is based on the linkage between the above two aspects, research methods and ways to improve health services, and provide scientific basis for decision makers. Therefore, research on the universality of health services has both theoretical significance and practical significance. A series of reform measures in the health sector, such as the construction of urban and rural medical care