Geotextile is one of the new materials of geosynthetics. It is a water-permeable geosynthetic material made of polyester or polypropylene through needle punching or weaving. The width of the geotextile is usually 2-4 meters. , The length is usually 50-100 meters. Both woven geotextile and non-woven filament geotextile belong to geotextile.