地方性氟中毒是一种地球化学性疾病,系因长期从饮水或食物中摄入过量的氟所致。我县1982～1984年对该病作了初步调查。一、概况义乌县位于浙江省中部,面积1,108平方公里,辖5个区49个乡(镇),人口58.2万。县境东、南、北三面环山,中部和西部多为起伏不平的丘陵,东阳 Local fluorosis is a geochemical disease caused by long-term intake of excess fluoride from drinking water or food. My county from 1982 to 1984 made a preliminary investigation of the disease. I. Introduction Yiwu County is located in the central part of Zhejiang Province and covers an area of ​​1,108 square kilometers. It has 49 townships (towns) in 5 districts and a population of 582,000. County east, south and north surrounded by mountains, central and western mostly undulating hills, Dongyang