本课题系国家“七五”重点攻关课题吉林省分题,主要研究环境硒等生命元素与克山病动态关系,探索硒在克山病发病学的意义。监测点设在克山病重病区蛟河市黄松甸沙河掌村,历年检查人群病情,采集发、血、粮、水、土等样品,并对社会生活水平做流行病学调查,相关分析硒与克山病病情的关 The subject of the national “Seventh Five-Year” key issue of Jilin Province sub-topic, the main study of environmental elements such as selenium and Keshan dynamic relationship between life and explore the significance of selenium in Keshan disease pathogenesis. Surveillance points were set up in Shahezhang Village, Huangsongdian, Jiaohe City, Keshe disease seriously ill patients, check the patient’s condition over the years, collecting samples of hair, blood, food, water, soil and so on, and do epidemiological investigation of social life level, correlation analysis Selenium and Keshan disease related to the disease