Geomat is a new-typed seed planting material with tridimensional structure, which can effectively prevent the soil being washed away, increase the area of the virescence, improve the environment. Application of Geomat It can protect the ground surface being corroded before the turf is growing up, and fix the seeds. The compound protection layer formed after the grass grows up can endure washing by high level and high speed water. It can be a substitute of the concrete, bitumen, stone etc to be the slope protection material. It has mainly been used in highway, railway, riverway, embankment, hillside etc.