Since the 21st century, many countries have made health education, improving citizens' health literacy, promoting and advocating healthy lifestyle as important contents of national health care strategy. In order to adapt to the development of the times, public libraries in many countries, including our country, have participated in and played an important role in health education actions in many ways, and health services have become an important means of innovation of public library services. This paper analyzes and summarizes the practice of health services in public libraries at home and abroad, and puts forward a framework for the development of health services in public libraries with extensive cooperation, on-demand training and accurate service, in order to provide reference for the development of health services in public libraries in China.