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晴隆县是地方性慢性氟中毒的重病区之一主要是由于居民在室内敞灶燃用含氟较高的无烟煤，使室内空气和室内保存的粮食遭到含氟烟尘污染而发生氟中毒，为生活用煤烟污染类致病区。为防制地氟病的发生，认1986年开始，本站连续六年开展改灶防氟的试点工作。已显出防氟效果。改灶
Qinglong County is one of the most endemic areas of endemic chronic fluorosis. Residents are mainly exposed to fluorine poisoning by inhabitants in the open-air burning high-fluorine anthracite in the indoor air and food stored indoors. Soot-contaminated ward for life. For the prevention of the occurrence of endemic fluorosis, recognized in 1986, this site for six consecutive years to carry out experimental focus on fluoride prevention. Fluoride effect has been shown. Change the stove