Abstract: Pass the analysis to 66 stations data of the rainfall past 44 years in Fujian，expatiate on the rainstorms, the big rainstorms and the super rainstorms of the space-time distributes the characteristics and the influence on agricultural, the result indicates that kinds of the rainstorms mainly concurrent in raining seasons and summers in Fujian, raining seasons are the first high peak period of the rainstorm; Summer is the first high peak period of the big rainstorms and the super rainstorms; kings of the rainstorms appears less in springs, autumns and winters; The geography of the rain-storms distribute comparatively balanced, and the high hair area of the big rainstorms and super rainstorms at the littoral. The Various rainstorms are mostly the rainstorms, but usually the big rainstorms and the super rainstorms result in severity lose to the agriculture produce.