克山病是一种侵犯心肌为主的地方病。至今病因不明,尚未找到根本的防治方法。病区广大群众的反映,普遍认为克山病是一种“水土病”。广大科研工作者通过对病区外环境的调查研究,多认为克 Keshan disease is a kind of endemic disease that infringes the heart muscle. So far the cause is unknown, have not found a fundamental prevention and treatment. Ward reflect the broad masses of the people, Keshan disease is generally recognized as a “water and soil disease.” The vast majority of research workers through the investigation of the environment outside the ward, and more that grams