李家峡水电站地质条件复杂，边坡稳定问题突出，边坡稳定核算及治理设计一直是本工程重要技术问题之一。坝址区开挖边坡中，以双曲拱坝在拱端下游坝肩边坡的稳定尤为突出，是边坡稳定核算和治理的重点区域。在该区域边坡治理实施过程中通过观测资料分析和复核计算，不断地完善、及时修正设计和施工方案，有效地控制了施工期的边坡稳定。 The geological conditions of Lijiaxia Hydropower Station are complex, and the problems of slope stability are prominent. The design of slope stability accounting and treatment has been one of the important technical problems of this project. In the excavation slope of dam site, the stability of double-curvature arch dam on the dam abutment slope is especially prominent, which is the key area for slope stability accounting and treatment. Through the analysis and review and calculation of observation data in the process of slope treatment implementation in the region, the project is continuously improved and the design and construction schemes are revised in time so as to effectively control the slope stability during construction.