Based on the theory of Grey Correlative Degree Analysis,the performance of 23 maize hybrids in 2003 was evaluated using comprehensive judgment method.The results indicated that’Z4107’,’Longfeng No.2’,’Nongda 256’,’X2308’,’Benyou No.1’and’Pingan No.6’showed better performance.This method could be used in the evaluation of new maize varieties.