Application: bank protection, river channel and flood control and diversion, flood discharge dam and diversion dam, collapse prevention, soil erosion prevention, bridge maintenance, soil consolidation structure, coastal protection project, port project, retaining wall, road slope protection. Features: economical, simple construction, no special processing required. It has a strong ability to resist natural damage, corrosion and bad weather, and can accept a large range of deformation without collapsing. The silt between the gaps of the cage stone is conducive to improving the growth of plants, which can be integrated with the natural ecological environment of the surrounding world. It has good permeability, can prevent the harm caused by hydrostatic pressure, save transportation costs, and can be folded, transported, and installed at the construction site.