Flexible slope protective net is by Ling steel wire rope, ring network, the high strength steel wire grille as main component, slope flexible protection system can be classified into two major systems: the covers or encloses slopes or rock of active protection system and intercept slope rockfall roll passive protection system. Control all slope slope geological disasters and snow jump, the slope is souring, waterfall flying, falling objects and other hazards, flexible safety protective system. SNS is a very novel, complete karma variable of traditional slope protection concept of new technology products