Abstract: Wenchuan County Futanggou on July 9, 2013 took place over 50 years of heavy rainfall, landslides broke out the next day, Wen Ying direct damage highways and bridges, causing interruption Aba lifeline out of Chengdu, disaster serious. From the basic characteristics of debris flow, formation conditions, analyzes the causes and trends mudslides, landslides control measures put forward the proposal to provide a scientific basis for timely finishing debris flows, to ensure the smooth flow of the lifeline provide reference for research-related debris flow.