青海省兴海县唐乃亥乡为我省大骨节病新发病区,对病区358名6～14岁儿童青少年拍片发现有阳性改变者101人,阳性率为28.2％,病情活跃指数为68.7,病情严重指数为46.0。化验结果显示:该地区属贫硒环境,病情较重的上鹿圈村和下鹿圈村发硒含量分别为0.076μg/g和0.067μg/g。经相关分析表明内、外环境硒含量与大骨节病病情呈负相关关系。 Xinghai County, Qinghai Province, Tang Naihai Township is the new onset of KBD in our province, 358 children aged 6 to 14 years old children in the ward found that 101 were positive changes in the film, the positive rate was 28.2%, the active index was 68.7, the disease The severe index is 46.0. The results showed that the selenium content in Shanglushu Village and Xiazuurun Village in the areas with poor selenium environment and severe disease were 0.076μg / g and 0.067μg / g, respectively. Correlation analysis showed that selenium content in inner and outer environment was negatively correlated with the severity of Kashin-Beck disease.