Based on the DEM data and the traditional risk grade partition research of mountain torrent disaster,the land utilization was regarded as a new risk evaluation factor.The factors of land utilization such as vegetation kind,vegetation cover degree and human activity were taken full consideration.By the GIS spatial analysis and AHP methods,the risk zoning of moutain torrent disaster was made in order to make the results more reasonable and reliable.The results show that the high risk zone of mountain torrent disaster in Jiangxi province mainly concentrated on Wuzhi Mountain in the north-western area,Luoxiao Mountain an Jiuling Mountain in the western area and Wuyi Mountain in the eastern area of Jiangxi province.On the basis of this results,the plans of danger area of mountain torrent disasters was made in order to mitigate the impact of mountain torrent disasters and provide the information about the risk of moutain torrent disaster for local residents.