Using the data of precipitation including 144 meteorological and hydrological stations in Xinjiang from 1961 to 2005, annual and seasonal distributing features and its variations of area precipitation in Xinjiang are discussed by empirical orthogonal function(EOF), multiple regression analysis, maximum entropy analysis and so on, combining with 1 km×1 km gridding data of digital elevation model (DEM). Results show that mean annual area precipitation in Xinjiang region is 2724.6×108t and mean annual precipit...