The course of the landslide includes six steps: gestation in fold deformation, peristalsis, slippage, another squirm, devastating slippage, adjustive comback.

• 滑坡经历了褶皱变形阶段、蠕动变形阶段、滑动阶段、再次蠕变阶段、滑动破坏阶段、调整恢复阶段；