１编书的背景 我国自１９４９年建国以来，预防为主一直是医疗卫生工作的指导思想之一。几十年来，由于全国广大医务人员及居民参加的爱国卫生运动，及医疗卫生知识的普及，城市和农村基层卫生机构的建立，医疗预防技术的提高，过去严重危害人民健康的疾病如：急慢性传染病、地 Background of a Book Since the founding of our country in 1949, prevention has always been the guiding ideology of medical and health work. For decades, due to the patriotic health movement attended by the vast majority of medical personnel and residents, the popularization of medical and health knowledge, the establishment of urban and rural grass-roots health institutions, the improvement of medical prevention technologies, and the diseases that have endangered people’s health in the past such as acute and chronic Infectious diseases, to