“预防为主”是我们国家卫生工作的四大原则之一,是发动群众作好卫生工作、保护广大人民健康的一项重要准则。几年来,各地卫生部门和全国卫生工作者,在这一原则指导下,展开了广泛的群众性的卫生工作,取得了很大的成就。通过实践,不仅证明了这一原则的正确性,而且亦在卫生政策的原则上体现了社会主义国家的社会制度的无比优越性。就以当前的一些卫生中心工作来加以分析,可以看出预防为主的重要性。大家都知道,在防治和消灭血吸虫病的斗争中,除了治疗工作而外,决定性的关键就在于 “Prevention is the main” is one of the four principles of our country’s health work. It is an important criterion for mobilizing the masses for good health work and protecting the health of the general public. Over the past few years, local health departments and national health workers have conducted extensive public health work under the guidance of this principle and have achieved great successes. Through practice, it not only proves the correctness of this principle, but also embodies the unparalleled superiority of the social system of socialist countries in the principles of health policy. With the analysis of the current work of some health centers, we can see the importance of prevention. Everyone knows that in the fight against schistosomiasis, the key to decisiveness lies in the