克山病是严重危害人民身体健康以心肌损害为主的地方性疾病,病因至今不明。根据广大群众和医务工作者多年的斗争实践,普遍认为克山病是与水土有关的地方性疾病,病因存在于外界自然环境中,通过粮食和饮水作用于人体。为了探讨患区外环境中某些无机元素与发病的关系,同时根据去年张家口克山病因“镁缺乏”协作会议上的要求,我们初步做了部分患区的水、粮、菜分析,现将结果报告如下: Keshan disease is a serious endemic disease that damages people’s health and damages the heart muscle. The cause of the disease is still unknown. According to the many years of struggle among the masses and medical workers, Keshan disease is generally considered to be endemic diseases related to soil and water. The cause is existing in the external natural environment and acts on the human body through food and drinking water. In order to explore the relationship between the presence of some inorganic elements in the environment outside the affected area and the incidence, and at the same time, according to the requirements of the “lack of magnesium” meeting in Zhangjiakou Keshan last year, we conducted preliminary analysis of water, food and vegetables in some affected areas. The results are reported as follows: