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对四川、甘肃部分地区的藏族、蒙古族、哈萨克族、裕固族４个民族８～１５岁少年儿童的饮茶与氟病关系进行调查。结果表明：氟斑牙患病率及氟斑牙指数分别为：藏族５１．２％，指数１．３３；蒙古族５１．７％，指数２．００；哈萨克族８４．４２％，指数３．０５；裕固族７５．７５％，指数２．５７。其每人每日总摄氟量是国际公认最高限量的１．３６～２．４２倍。相关分析表明，造成４个民族儿童氟病流行的重要因素是奶茶（ｒ＝０．９９）。
To investigate the relationship between drinking tea and fluoride disease among children aged 8-15 in four ethnic groups in Tibet, Mongolia, Kazak and Yugur of Sichuan and Gansu provinces. The results showed that the prevalence of dental fluorosis and dental fluorosis index were 51.2% for Tibetan, 1.33 for index, 51.7% for Mongolian, 2.00 for index, 84.42% for Kazakh and index 3, respectively. 05; Yugur 75.75%, index 2.57. The per capita daily intake of fluorine is internationally recognized ceiling of 1.36 ~ 2.42 times. Correlation analysis showed that milk tea (r = 0.99) was the most important factor contributing to the prevalence of fluorosis in 4 ethnic children.