Abstract: According to the rain belt type data in summer from 1950 to 1999 over China,and sea surface temperature anomaly(SSTa)of tropical Pacific and Indian ocean,the relationship between each rain belt type and corresponding earlier and the same period SSTa in Pacific and Indian oceans was analyzed.The result indicated clearly that there is close correlation between rain belt type and corresponding ealier and the same period SSTa over warm pool western Pacific,tropical eastern Pacific,western and eastern Indian ocean.