地下工程的防水防潮处理是地下工程的关键 ,处理是否得当将关系到一个地下建筑的使用及其寿命。本文探讨了几种地下工程防水防潮处理方法 ,引进 911混凝土外结构防水涂料这种新型材料做防水层可以弥补其它材料的不足 ;全封闭是地下室防水的关键 ,本文就全封闭防水也作了一些探讨 The waterproofing and damp proofing of underground works is the key to underground engineering. Whether the treatment is proper or not will affect the use and life of an underground building. This article explores several underground waterproof and moisture treatment methods, the introduction of 911 concrete outer structure of waterproof coating of this new material to do waterproof layer can make up for lack of other materials; fully enclosed basement waterproofing is the key, this article also made some closed waterproof Discussion