克山病是一种原因尚未明,以心肌病变为主的地方病。近年来,病因学方面提出了营养缺乏说,中毒说,食物真菌中毒说,传染说,“贫硒”说等。但各种学说都不能满意的解释克山病病因和流行特点。我们认为克山病是机体缺乏蔬菜内所含的某种物质(主要是维生素 C、维生素 Keshan disease is a reason not yet clear to cardiomyopathy-based endemic disease. In recent years, the etiology put forward the lack of nutrition, said poisoning said food fungal poisoning, said that “lean selenium” and so on. However, various theories are not satisfied with the interpretation of Keshan disease etiology and epidemiological characteristics. We think Keshan disease is a kind of substance contained in the body lacking in vegetables (mainly vitamin C, vitamins