Stone cage mesh chain link fence into a rectangular structure of the whole, using the latest environmental technology, mainly for river bank slope, slope embankment slope protection structures. Prevent the river was the water flow, wave erosion. During the construction process, the cages filled with stone to form a flexible structure, integrity and strong permeability materials, help to promote the rapid growth of natural vegetation. The river training works, the traditional river bank protection or general use masonry or concrete slope protection, three side light, waterproof, can not meet the needs of river ecology, and chain link fence wire mesh and strong anti-erosion, absorb water, biological habitat is easy to porous structure, so often used for more natural river eco-type construction.