本文对于渝怀线古城南平山路堑边坡所发育山体滑坡形成的地貌条件、岩石条件、构造条件、气候条件以及施工技术条件进行了初步的分析与研究，根据先期发生的小型山体滑坡，从地质学的角度进行了研究，并结合现场的实际情况，综合对比了几种治理措施的优劣，提出了较好的治理方案。

The text has studied the geological factors that affect the stability of the side-slope in nanpingshan Yuhuai railway line with the theory of geology and mechanic. It analyses the reason of the coast and provide the best construct project based on mechanics analysis.