Abstract: In order to extend the employment of plastic-film in maize culture in Jingyuan County and to screen and introduce the forage maize varieties that are suitable to be cultured in humid area of southern Jingyuan County,the planting experiment were conducted to compare the yield of the introduced varieties of Yuqingzhu NO.23,Beiqingnong NO.208,Zhengqingzhu NO. 1, Jinling NO.377,Changcheng NO.706,Guiqingzhu NO.1 and the local varieties of Jingang NO.50 in two consecutive years. Among the tested varieties,the yield of Yuqingzhu NO.23 was the highest （8 662.5kg/667m 2）,followed by Changcheng NO.706 （8 100kg/667m2） and Beiqingnong NO.208 （7 537.5kg/667m2）,and the agronomic traits of them were stable.It was indicated that the forage maize varieties of Yuqingzhu NO.23,Changcheng NO.706 and Beiqingnong NO.208 were suitable for promotion in Jingyuan County.