Geological disaster is a kind of natural disaster which is highly hazardous and destructive. This paper summarizes the disaster formation mode of debris flow and collapse according to the formation conditions and initiation process of the nine debris flow and the formation conditions of the six collapse in Zhuwagen Town, and analyzes the triggering factors and disaster formation mode of the geological disaster chain in Zhuwagen Town, and finally discusses and analyses the formation mechanism and disaster formation mode of the whole geological disasters in Zhuwagen Town.