Deformation causes of the dry gas-holder after 10 years 'operation were analyzed using a large amount of observation data. It should pay attention to stability of the gas-holder foundation so as to protect rapid variation of the underground water level. 通过大量的观测数据,分析了干式柜投运10年后柜体变形的原因,提出要重视气柜地基的稳定性,防止地下水位急剧变化。