城市建设诱发的地质环境变化已越来越多为人们关注和重视。白沙井是长沙的风景名胜,对长沙有着特殊的含义。文章分析了白沙古井地下水形成的自然条件,分布状况,水文地质特征和补给、径流及排泄条件,对地铁1号线工程建设和营运对白沙井的潜在影响进行了分析,认为这种潜在影响主要表现在如下方面:阻遏了地下水的径流,引起地下水位升降,导致地下水环境恶化,提出了预防途径和措施,为工程设计、施工和地下水环境保护提供了参考依据。 Urban construction-induced changes in the geological environment has become more and more people’s attention and attention. White sand well is a scenic spot in Changsha, Changsha has a special meaning. This paper analyzes the natural conditions, distribution, hydrogeological features and recharge, runoff and discharge conditions of the groundwater in Baisha Ancient Mine and analyzes the potential impact of the construction and operation of the Metro Line 1 on the white manhole. The potential impact is mainly manifested In the following aspects: deterring the runoff of groundwater, causing the groundwater level to rise and fall, leading to the deterioration of the groundwater environment. Preventive measures and measures were put forward to provide a reference for engineering design, construction and groundwater environmental protection.