Geomat is a new-typed seed planting material with tri-dimension structure. Which can effectively prevent the soil being washed away.increase the area of the virescence, improving the envirment. APPLICATION OF GEOMAT Before the seed turf growing up,which can protect the ground surface from the erosion,and at the same time fix the seeds. The complex protection layer formed after the plants grows us, can endure high water level, the washing out of big velocity of flow .which can substitute the concrete ,bitumen, throwing stone etc ,mainly being used in highway, railway, riverway, embankment, hillside etc.