吉林省是全国较严重的饮水型地方性氟中毒(地氟病)病区之一,全省氟中毒流行达16个县(市、区),受氟中毒威胁人口达60余万。地氟病的严重流行,对病区群众的健康构成了极大的威胁,并在一定程度上制约着当地的经济发展。为控制地氟病的流行,吉林省于1964年就开始了以降氟改水为主要 Jilin Province is one of the more serious drinking water-endemic fluorosis (fluorosis) wards in China. The province’s fluorosis reaches 16 counties (cities and districts), with a population of over 600,000 threatened by fluorosis. The serious epidemic of endemic fluorosis has posed a great threat to the health of the ward people and to a certain extent restricted the development of the local economy. In order to control the prevalence of endemic fluorosis, Jilin Province started to reduce fluoride by changing water into water in 1964