·Using the geonet on the roadbed of the roadway and railway can distribute the load effectively,improve the loading capacity and the stability of the roadway,and prolong its service life. ·Spreading the geonet in the dyke protection in the reservoir and the river can protect it from the landslide. ·With the features of good flexibility and strong erosion resistance,using it in the coast engineering can amortize the concussion and the erosion of the surf.