In terms of one-point correlation method,calculation is made for spring northern hemisphere 500 hPa teleconnections with the result of five patterns,with their central positions greatly shifted as compared to the wintertime situation.Further,the 1951～1990 yearly intensity indices are investigated together with their interannual variations,indicating the vigor of the Western Pacific(WP)and Eurasian(EU)patterns in April is closely linked to large-scale rainfall conditions(wetness or dryness)for the month over China.