Objective Head north tower by detecting the four counties in Xinjiang crowd pointing to fluorosis, monitoring of drink-ing water, drinking water e content, understand the relationship between tea and fluorosis. Methods Place for 8-12 year-old chil-dren and adults fluorosis, dental fluorosis, fluorine poisoning, urinary fluoride monitoring, determine the distribution of tea fluorosis among peoples. Results Tacheng findings four counties north of adult tea type fluorosis average dental fluorosis, skeletal fluorosis prevalence rates were 19.44%, 6.33%. Kazak (24.44%,370/1514) was significantly higher than the Han (1.47%Han (1.47%, 4/273), the difference was statistically significant (χ2=73.77,P<0.05); the prevalence of skeletal fluorosis the Kazakh prevalence (8.16%, 123/1506) was significantly higher than the Han (0.36%, 1/276),and χ2=22.01,P<0.05,the difference was statistically sig-nificant. Conclusion with the drink brick tea intake increases the fluorine content, the fluorine content increased population caused by drinking, dental fluorosis and skeletal fluorosis incidence, the presence of the amount of drinking brick tea fluorosis have positive correlation relationship.%目的：通过检测新疆塔城北四县定点地人群氟中毒调查、监测饮水、饮茶水氟含量，了解饮茶与氟中毒的关系。方法选择地点对8~12岁儿童和成人的氟中毒调查，氟斑牙、氟中毒、尿氟的监测，确定饮茶型氟中毒各民族之间的分布情况。结果调查塔城地区北四县成人饮茶型氟中毒病情平均氟斑牙、氟骨症患病率分别19.44%，6.33%。哈萨克族的患病率为24.44%（370/1514），汉族的患病率为1.47%（4/273），哈萨克族的患病率明显高于汉族，并且经过统计学检验，χ2=73.77，P﹤0.05，该差异有统计学意义；在氟骨症方面，哈萨克族的患病率为8.16%（123/1506），而汉族的患病率为0.36%（1/276），哈萨克族的患病率也明显高于汉族，并且经过统计学检验，χ2=22.01，P﹤0.05，该差异有统计学意义。结论随饮砖茶摄取氟含量增加，引起饮茶人群氟含量增高，氟斑牙和氟骨症发病率高，存在饮砖茶量与氟中毒有正相关性关系。
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