Based on analyzing of debris flows in Dianhuying village of Yuanshi County, Hebei Province, by using of extenics analytic hierarchy process(EAHP) method, 12 indicators were seleted as the assessment factors to evaluate debris flow risk degree. The debris flow risk assessment model was established for Dianhuying village. Then the model was applied to assess the risk degree of local debris gullies. The result has good consistency with the actual situation. It is practical and effective to evaluate the debris flow risk in Dianhuying village of Yuanshi County, Hebei Province, by using EAHP method.