低硒在克山病发病中的作用以及补硒能预防克山病的发生,已被国内外学者所承认,首次证明了低硒和人类疾病有关。而昭通被认为是“足硒”地区,又有克山病存在,故引起专家们的关注。为了查清病情和有关影响因素,由楚雄克山病防治研究所,白求恩医大,西安医大,四川省地方病防 The role of low selenium in the pathogenesis of Keshan disease and the effect of selenium supplementation on prevention of Keshan disease have been acknowledged by scholars at home and abroad. It is the first time that low selenium is associated with human diseases. Zhaotong is considered as “adequate selenium” areas, there Keshan disease exists, it attracted the attention of experts. In order to find out the condition and related influencing factors, by the Chuxiong Keshan Disease Prevention Institute, Bethune Medical University, Xi’an Medical University, Sichuan Province endemic disease prevention