By using of the ocean temperature data in the North Pacific,and temperature and precipitation data in China from 1951 to 1998,the relationship of the air temperature and precipitation in China and the ocean temperature at four seasons in the Equatorial East Pacific,El Nino and La Nina event were analysed.The results show that there is a certain relationship among these factors,the temperature in winter is better relation to the ocean temperature,and the precipitation in autumn is the best relation to the ocean temperature among other three seasons.