氟是人体生长发育中不可缺少的微量元素。但是,长期饮用氟含量过高的水,又可出现牙齿和骨骼的损害。我站曾先后三次对饮用水含氟量与慢性氟中毒的关系进行了调查,调查结果如下。一、温泉的氟含量及其对饮用水的污染:在179眼饮用的浅井水氟含量的调查中,发现69眼氟含量高(1.6～24毫克/升)的水井附近均有温泉(据17处温泉水的调查氟含 Fluorine is an indispensable trace element in human growth and development. However, long-term consumption of water with too high a level of fluoride can result in tooth and bone damage. My station has three times on the drinking water fluorine content and the relationship between chronic fluorosis were investigated, the findings are as follows. First, the hot spring fluorine content and its pollution of drinking water: drinking water in 179 eyes of drinking water fluorine content survey found 69 high fluorine content (1.6 ~ 24 mg / L) have hot springs near the well (according to 17 Survey of hot spring water fluoride content