摘要： 土坝经过多年运行，普遍存在渗漏问题，如何因地制宜选择处理方案，以满足水库功能性、可实施性、经济性、安全性的要求，是建设各方必须重视的问题。本文分析了土坝渗漏的类型及成因，提出了有针对性的优选方案和施工中应该注意的问题，为土坝防渗加固处理提供参考和借鉴。

Abstract: After years' operation, seepage may occur at earth dams. This paper analysed the types and cause reasons for seepage, and, accordingly, advanced some preferred treatment schemes and issues calling for attention in construction, for reference.