随着社会的发展,人们行为生活方式的改变,人为的自创性危险因素增加,慢性病的发病率逐渐上升。在传染病尚未完全控制之际,慢性病危害的升级,构成了对我国人群健康的双重威胁。为此,预防保健工作的范围和内容必须进一步扩大和深入。根据系统论的观点,人类社会是由个人、家庭、社区、社会组成的一个大系统。围绕个人、家庭、社区、社会这四个层次展开预防工作,可以使预防工作进一步扩大和深入,从而促使人们进一步提高健康水平。1 个人预防即第一层次预防 With the development of society, changes in people’s behavioral lifestyles and human-made self-inflicted risk factors have increased, and the incidence of chronic diseases has gradually increased. With the epidemic not yet fully controlled, the escalation of chronic disease hazards poses a double threat to the health of the population in China. To this end, the scope and content of preventive health work must be further expanded and in-depth. According to the theory of systems theory, human society is a large system composed of individuals, families, communities, and society. Focusing on prevention work at the four levels of individual, family, community, and society can further expand and deepen the prevention work, thus prompting people to further improve their health. 1 personal prevention is the first level of prevention