硒是人全必需的营养元素之一。硒缺乏不仅造成家畜白肌病,还可以导致大骨节病和克山病。血硒含量能最确切反映人体当前硒的水平,为此本文探讨大骨节病儿童血中硒的含量水平和病情的相关性。 Selenium is one of the essential nutrient elements. Selenium deficiency not only causes white matter disease of livestock, but also can lead to Kashin-Beck disease and Keshan disease. Selenium content of blood can most accurately reflect the body’s current level of selenium, this paper discusses the kappoblysis children’s blood levels of selenium and the disease correlation.