卫生系统研究是指为了改善健康产出、促进卫生服务提供，强调以证据为基础，从系统角度开展的研究。以改善卫生系统绩效为目的的医疗卫生体制改革必须要注重系统思维和协同关系，只有卫生系统的各子系统和谐、高效地运行，最终才能实现以比较低廉的卫生投入提供和比较高效的卫生服务，满足全体人民群众的健康需要。该文系统评述了卫生系统研究的定义和意义，以及卫生系统研究的系统思维、主要研究问题和研究进展。

Health system research is conducted from the view of system, focuses on the evidence, and aims to improve the health output and promote the health care delivery. Health system reform, in order to improve the performance of health system, should lay emphasis on the systematic thinking and collaboration relationship. Only when every subsystem operates concordantly and efficiently can the whole health system ultimately provide higher efficient health services with lower investment, and satisfy the health demands of all the people. The article systematically makes a comment on the definition and significance, systematic thinking, main research problems and progress of health system research.