The stress in this paper is placed on analyzing the characteristics of precipitation anomaly on interannual and interdecadal variations of four seasons in North China,as well as the features of precipitation spatial distributions across China during the corresponding period of being more(less) precipitation in different seasons of North China,based on the monthly precipitation data from 160 stations from 1951 to 2000.Besides,the long-term variation trend of precipitation in different seasons is primarily estimated.