随着我国科学技术的发展和人民生活水平的不断提高,过去严重威协人类身体健康的传染病、寄生虫病,营养性疾病,在我国绝大多数地区已退居次要地位,而一些与心理、社会密切相关的非传染性疾病的发病率、病死率急剧上升,疾病谱和死亡谱已发 With the development of science and technology in our country and the constant improvement of people’s living standards, infectious diseases, parasitic diseases and nutritional diseases, which used to be a serious threat to the health of human beings in the past, have taken a back-seat in most areas of our country. The incidence of noncommunicable diseases closely related to psychology and society, the case fatality rate has risen sharply, and the disease spectrum and death spectrum have been developed