Using data accumulated for 24 years, the general investigation has been made on the correlation of sea surface temperature in Kuroshio region and previous northern hemisphere 500 mb high field. By analyzing previous atmospheric circulation in relation to sea surface temperature in Kuroshio, it is pointed out that effect is apparent in winter, spring and antumn, but less in summer.On this basis,taking eight optimum correlation points, fitting equation was built up monthly by means of stage regression. The forecast for 22 months has been made by this method. The result of which showed that each month is approaching to the fact except June, July,August and September.