Taking the the great HU-YU mine debris flow in Xishan mining area of Taiyuan city for example,the fuzzy synthesize assessment is introduced for judging the fatalness of HU-YU mine debris flow.

• 以太原西山矿区虎峪沟特大泥石流为例,应用模糊综合评判法对研究区的泥石流沟进行了危险性评判,模糊综合评判结果与专家系统分析结果、现场调查情况基本一致,可见用这种方法对泥石流危险度评判是可行的。