The plant height character data of maize（hybrid） was analyzed which tested in Gongzhuling Station for2 352 testing new varieties of plants during 2002~2010. According to the rule of changes of varieties among yearsmeet with changes of the entire community, results were analyzed. The result was validated by the classification ofmaize plant height in Gongzhuling Station. Final, a group standard varieties of plant height of maize suited to JilinProvince was obtained. The study may provide the reference for standard variety choice of other maize quantity char-acter.