The core of health education is to educate people to establish health awareness and develop good behavior habits and lifestyles, so as to reduce or eliminate risk factors affecting health. Health education should provide knowledge, skills and services necessary to change behavior, and encourage people to make rational use of these services. Such as: receiving immunization and regular physical examination. To achieve the purpose of preventing diseases, treating diseases and promoting rehabilitation. If this kind of health education only tells people what healthy behavior is, but can't promote people to actively participate in and consciously adopt healthy behavior, then this kind of health education is not perfect. The important role of health education is to win the strong support of leaders and society and form a good atmosphere for health promotion; Fully mobilize the masses to actively and extensively participate. In health education, we must focus on families, communities and government departments in order to obtain effective support and promote behavior changes of individuals, groups and the whole society.