3D Geomat is a new type of civil engineering material, belonging to the rose body material in the field of new material technology repeated in various materials in the national high tech product catalog. It's a kind of three-dimensional network like towel gourd net mat for grass planting and soil consolidation. It's loose and flexible in texture, with 90% of the space for filling soil, gravel and fine stone. The plant roots can pass through it, and grow comfortably, orderly and evenly