Eleven characters of 29 hybrid corns,which adapted to and released in Jilin province from 2000,were analyzed according the Grey Relational Degree.The results showed that the Grey Relational Degree to ideal variety from maximum to minimum ranged as follows: ’Jidan 28’＞’Jidan 257’ ＞’Jiyu 4’ ＞’Denghai 9’ ＞’Zhengda 29’ ＞’Yu ao 3’＞’Tiedan 15’ ＞’Jidan 29’ ＞’Dongdan 8’ ＞’Pingyu 5’ ＞’Tiedan 19’ ＞’Fuyou 1’ ＞’Danyu 29’＞’Jidan 7’＞’Jidong 2’ ＞’Yuyu 32’ ＞’Denghai 3619’ ＞’Nongda 84’ ＞’Sidan 167’ ＞’Yuandan 29’ ＞’Denghai 3’ ＞’Ping an 20’ ＞’Shendan 18’ ＞’Shendan 16’ ＞’Yuyu 22’ ＞’Dongdan11’ ＞’Shenyu 17’ ＞’Shendan 12’ ＞’Shendan 13’.