水是生命之源,饮用水水质的好坏,对人的健康有直接、深远的影响,甚至很大程度上会影响人的遗传基因甚至寿命。大中城市部分用水来自地上,城镇和乡村用水绝大部分采自地下。因此,地下水水质的优劣也决定了人们的身体健康与否。在我国癌症高发区,河北省上榜的涉县、赞皇两个县的食道癌高发就与当地的地下水水质有关。河北省人均水资源为307立方米,为全国均值的1/7,属严重资源 Water is the source of life, drinking water quality is good or bad, has a direct and far-reaching impact on human health, and even largely affect people’s genetic genes and even life expectancy. Large and medium-sized cities partially use water from the ground, and the vast majority of urban and rural water is collected from the ground. Therefore, the quality of groundwater also determines the health of people or not. High incidence of cancer in our region, Hebei Province, Shexian County, Zanhuang two counties in the high incidence of esophageal cancer and the local groundwater quality. Per capita water resources in Hebei Province is 307 cubic meters, which is one seventh of the national average, which is a serious resource