The overall growth of square structure, using the latest environmental protection technology, mainly used for river, slope, slope of subgrade slope protection structure. Can prevent the river from the water flow, wind and waves of erosion. In the construction process, the filling material in the cage, which constitutes a flexible and permeable performance of the whole material, is conducive to the rapid growth of natural plants. In river regulation project, traditional channel revetment or slope generally use masonry or concrete, light on three sides, impervious, has not been able to adapt the need of natural ecological harnessing and hook flower stone cage net scouring force strong, strong permeability,, it is easy to habitat multi pore structure, so is often used in multi natural ecological river construction.