In this paper,Discontinuous Deformation Analysis(DDA) method is applied to study the gradual failure and the movement process of mine slope,it is obvious that DDA is a valuable method to study the stability of mine slope.

• 用不连续变形分析（DDA）方法探讨了矿山边坡的渐进性破坏和运动的动态过程，认为DDA方法是研究边坡稳定性的很有价值的数值方法。