The paper takes the road bed landslide as an synthetical protect system to the prevention of theslope, Through the analysis of the origin cause of formation and stability analysis of different position, and adopting different methods to carry on rational and effective protection after studying different positions, In order to put forward the synthetical protection system .
In order to reduce the threat of foetal weapon,by use of foetal weapon's failing,we can adopt many methods such as synthetic defense,multi-layer volley,destroy and smash weapon,and so on.
A comprehensive protection system, including upright sand-block fences, half-buried straw checkerboard barriers, irrigated sand-fixing plants, gravel mulch, and feather-like diversion works is discussed.