本文着重分析了高层建筑地下室防水工程易出现质量问题的部位及原因 ,并提出了监理工程师在监理工作中应着重通过对施工图纸和施工组织设计、原材料、施工队的资质等几个方面的审查及把关来控制防水施工质量 ,做到有的放矢 This article focuses on analyzing the parts prone to quality problems in the basement waterproofing project of high-rise buildings and the reasons for the problems. It also proposes that the supervising engineers supervising work should focus on reviewing construction drawings and construction organization design, raw materials and construction team qualifications And check to control the quality of waterproof construction, to be targeted