在对凉山州安宁河流域5个县市的泥石流灾害进行野外调查和资料收集的基础上，进行了以乡镇为单元的小区域泥石流危险性评价。评价结果表明：在研究区129个乡镇中，31个乡镇处于泥石流极高危险区，60个乡镇处于泥石流高度危险区，34个乡镇处于泥石流中度危险区，4个乡处于泥石流低度危险区；其中喜德县泥石流危险性最大，德昌县和西昌市次之，然后是冕宁县和会理县。

Based on investigation in the field and data collection for debris flow hazard of Anning river valley in five counties of Liangshan prefecture, Sichuan. The paper has worked out dangerous degree assessment considering villages and towns as cells in the studied area. The results show that： in the total of 129 villages and towns, 31 villages and towns belong to the area of extremely high hazardousness of debris flow 60 villages and towns belong to the area of high hazardousness of debris flow 34 villages and towns belong to the area of moderate hazardousness of debris flow 4 villages and towns belong to the area of low hazardousness of debris flow. Dangerous degree of debris flow hazards in Xide county is the highest next Dechang county and Xichang city then Mianning county and Huili Couty.