Abstract: The experiment which based on Jingdan 128 maize variety was studied the effect of water-soluble fertilizer on cornyield and benefit under integrated fertilizer.The results showed that water-soluble fertilizer had significant production increasethan the farmers conventional ＂shelling＂ fertilization. The use of water-soluble fertilizerby topdressing integrated fertilizer waseffective way to improve crop yield and urea was a obvious water-soluble fertilizer for corn field production output andincome increase effect ,which was fit for maize planting fertilizer application.