In recent decades, landslide is one of natural disasters that happened quite common in mountainous regions in Vietnam. In particular, along to the new road that just been built, all the road are extended and straighten. The residential areas are concentrated at the hillside, and along the riverside, streamside. As a consequence of landslide, it is not only covers all the roads, but also threatenning the residential areas as well as all the material and spirit of people' life here.