Based on monthly mean OLR data over the tropical Pacific,precipitation data,air temperature data,and with the application of correlation analysis,the relationship between the convective activities over the central and western Pacific and the precipitation and temperature patterns over China in summer was studied. The results show that the summer precipitation anomalies in the regions between the Yangtze River and Huaihe basins are related to the earlier tropical Pacific convective activities anomalies (OLRC and OLRW) in spring and summer. Besides,the Summer precipitation over Northeast China is correlated with OLRW in last winter and spring,but not with OLRC over the central tropical Pacific. OLR anomalies over the central Pacific and the western Pacific in last winter exerts an obvious effects on temperares over China in summer. The affected areas are different. The former is southern China and Southwest China while the latter is Northeast China and Inner Mongolia. The instantaneous correlation between OLR over the tropical Pacific and temperature in China is not statistically significant.