我省地方性氟中毒病区主要分布在西部的干旱半干旱区,富钙富氟苏打盐渍化粘土地带,地方性氟中毒是由潜水含氟量高而引起的。在80年的全省范围的地氟病普查中,又发现了在上述地区外的散在的数个高氟村屯,其高 Fluorosis in endemic areas in our province are mainly distributed in the arid and semi-arid areas in western China, and are rich in calcium and fluorine-rich soda caking saline soils. The endemic fluorosis is caused by the high fluoride content in the submersion. During the 1980 general survey of endemic fluorosis in the province, several scattered high-fluoride villages outside the above-mentioned areas were also found, with their high