Passive protection system is composed of steel wire rope, ring network, (additional layer of wire grille need to intercept small rockfall), the fixed system (anchor, anchor rope, dock and support rope) pressure ring and four steel columns The main parts. Combination of steel columns and steel wire rope connected to form a whole, for the protection of the area to form a protective surface, thereby preventing the collapse of falling rock soil, slope protection play a role. Flexible protection and interception system enough strength to absorb and disperse impact energy transfer stone, pressure ring design and the use of the system so that the momentum has been further improved. All components of the system using standardized factory production, on-site construction. In addition to infrastructure construction to install as the main anchor a small amount of foreign, mainly for modular installation. So that construction personnel and equipment to reduce installation easy reach, thus shortening the construction period. Main configuration structure: steel columns supporting rope, anchor rope that, stitching wire, vacuum ring. Passive safety net models: RX-025, RX-050, RX-075, RXI-025, RXI-050, RXI-075, RXI-100, RXI-150, RXI-200 and so on. Wire mesh grille main models: GAR1, GAR2, GPS1, GPS2. Passive protection system is composed of steel wire rope, ring network, (additional layer of wire grille need to intercept small rockfall), the fixed system (anchor, anchor rope, dock and support rope) pressure ring and four steel columns The main parts. Combination of steel columns and steel wire rope connected to form a whole, for the protection of the area to form a protective surface, thereby preventing the collapse of falling rock soil, slope protection play a role. Flexible protection and interception system enough strength to absorb and disperse impact energy transfer stone, pressure ring design and the use of the system so that the momentum has been further improved. All components of the system using standardized factory production, on-site construction. In addition to infrastructure construction to install as the main anchor a small amount of foreign, mainly for modular installation. So that construction personnel and equipment to reduce installation easy reach, thus shortening the construction period. Main configuration structure: steel columns supporting rope, anchor rope that, stitching wire, vacuum ring. Passive safety net models: RX-025, RX-050, RX-075, RXI-025, RXI-050, RXI-075, RXI-100, RXI-150, RXI-200 and so on.