煤烟污染所致氟中毒自80年代初由湖北省恩施市首次报导。此后,我国南方各省地氟病的调查中都有类似的报导。目前资料表明:煤烟污染型氟中毒的病区和患病人数在我国已不亚于北方高氟水型氟中毒的分布范围和严重程度。因此,形成了我国地方性氟病的两大类型。我国南方各省区石煤及无煤烟分布范围广, Fluorosis due to soot pollution was first reported by Enshi City in Hubei Province since the early 1980s. Since then, similar investigations have been reported in the surveys of endemic fluorosis in the southern provinces of our country. The current data show that: soot-contaminated fluorosis ward and the number of patients in our country has no less than the high fluoride water fluoride poisoning in the north distribution range and severity. Therefore, the formation of two major types of endemic fluorosis in our country. The coal and non-coal smoke in the southern provinces of our country are distributed in a wide range,