The intensity of the epidemic is nothing with the content of fluorine fron coal but there is something with the way of buring coal fluoros is the wag of buring coal.

• 结论 黔南州地区地方性氟中毒的流行与水氟无关 ,属燃煤污染型氟中毒 ,流行强度与煤氟本身含量无关与燃煤方式密切相关