古蔺县泣于四川南部,总人口67万。氟中毒1982年线索调查,1986年重点抽查,1987年统一方案进行普查,氟斑牙患病率为82.3％,临床氟骨症患病率为22.1％,69个乡(镇)都有本病流行,属燃煤污染型病区。调查发现,氟斑牙和氟骨症检出率高的地区都是重病区。分析象顶乡,境内水利条件差,农作物以玉米为 Weeping in Gulin County in southern Sichuan, with a total population of 670,000. Fluorine poisoning clues in 1982 survey, 1986 spot checks, the 1987 unified program for census, the prevalence of dental fluorosis was 82.3%, the prevalence of clinical skeletal fluorosis was 22.1%, 69 townships (towns) have the disease Popular, is a coal-contaminated ward. The survey found that dental fluorosis and skeletal fluorosis high detection rate of the area are seriously ill. Analysis as Xiang top Township, poor water conditions, crops to corn