What is the purpose of public health science?

The purpose of public health science is to improve the health knowledge level of the general health concept of the whole people. Public health science can be extended to all creative fields and play an active role. You can tell everyone the purpose, method and effect of creation, so that everyone is full of confidence in creation. The purpose of public health science is to improve the level of health knowledge of the whole people. Through the process of public health education, improve, maintain and promote the health status of individuals and society, that is, popularize medical scientific knowledge through health education, educate and guide the masses to get rid of superstitions, abandon bad habits and actively participate in national health activities.