In this paper, ,the regions, over the North Pacific, whose SSTs are signifi-cantly correlated with the winter wheat gibberellin in partial Jiangsu Province, the areas south to the Huaihe River, are determined using expansion method of EOF. SSTs of the significantly correlative regions are transformed into a few new factors repressing the main information of all the SST by means of the analysis of Principle components. Based on those factors the long-range Prediction model are given and the Prediction are obtained.