The natural disaster in Chifeng area,flood,drought prone,windstorm,hail disaster,cream disaster,plague,epidemic disease,occur alternately formed a wide distribution,drought,floods occurred in the summer season,the typhoon not continuous characteristics.The main cause of these natural disasters is the human impact,including population growth,excessive reclamation,overgrazing,roads and mining,these activities damage the ecological system of the original area of Chifeng,induced a variety of natural disasters.