在发达国家,随着许多严重危害人民健康的传染病、寄生虫病得到控制后,人类的死因谱也改变,非传染性疾病,尤其是心血管疾病、肿瘤等慢性病防治已成为突出的问题。现代医学已由单纯的生物医学模式转向生物—社会—心理医学模式。卫生工作的体制也将转向预防 In developed countries, as many infectious diseases seriously endangering the health of the people and the parasitic diseases are controlled, the death spectrum of human beings also changes. The prevention and treatment of chronic diseases such as non-communicable diseases, especially cardiovascular diseases and tumors have become outstanding problems. Modern medicine has shifted from a purely biomedical model to a bio-social-psychological model. The system of health work will also shift to prevention