Abstract: The increasingly frequent and severe public health crises not only bring great troubles to people's production and life, but also bring great challenges to the traditional social work service system. Under the guidance of the strategy of Healthy China, the development of social work has shown an increasing obvious life turn, which has promoted the rise of public health social work. As the integrated development of public health and social work, public health social work respond positively to the trend of times of health promotion, and actively innovates and expands the advantages of practical strategies, core technologies and professional services on the basis of the theories of comprehensive health, ecological civilization and global governance, so as to promote the strategic realization of comprehensive health and Healthy China.