Abstract: In order to wholly master the basic character of the dry-hot-wind in winter wheat planted areas in Shaanxi Province, according to dry-hot-wind climatic disaster indexes of winter wheat, the author analyzed the yearly and space distribution characteristics of 44 counties in south of northern Shaanxi and north side of Qingling, by using climate data from 1981 to 2010, and used GIS technology to made the climatic regionalization of dry-hot-wind of winter wheat. Fuping future severe dry-hot-wind year was predicted by grey disaster forecast model as an example. The results showed that: the occurrences of dry-hot-wind had the increase trend since 1990s and the occurrence times tended to be stable. The main district of dry-hot-wind is in east of Guanzhong, south of northern Shaanxi and middle of Guanzhong took second places, the lowest district was in west of Guanzhong.