Abstract: It is indicated, by conducting experiment on grassland protective network, that the network played an obvious role and its effect of protection is execellent. In the case study area, 1078 ha. of plantation network was established from 1971-1984 and 3200 ha. of grazing land is under the protection of the network; grassland protective system composed of belts, network, patch, woodlot and low vegetation is initially created and lays a good both the ecological.result and economic benefit are significant. This network foundation to animal industry in the district.