FLAC3D simulate analysis of the breach pattern of the dump. Analyze the latent factor of the appearance of the dump and debris flow; combine with the specific project examples. Aimed at the disaster of the dump, stressing both prevention and management while with emphasis on prevention. Bring forward the techniques of the reversed waste disposal and the sloped delaminating waste disposal to improve the stabilization of the waste dump; Prevention and control the dump disaster with the combination of hill slope leading drainage and the bottom effusion system, which would provide some reference meaning to both the prevention and management of the waste dump disaster.