In Quercus aliena var. Acuteserrata community, phanerophytes (Ph) accounting for 58.7% was main Life form. Hemicryptophytes (H) with 28.1% was the second in Qinling Mountains. Mesophyll which accounted for 61.64% was major leaf physiognomy, and microphyll the second accounting for 27.40%. Simple leaf taking 84.93% was primary leaf-form. Herbaceous leaf accounted for 80.82% and was a major type of leaf property. The temperate elements, which were 43.17% of the genera, were in dominant position and were consisted of 98 genera; the tropical areal types including 58 genera accounted for 25.55%. These showed that Quercus aliena var. Acuteserrata community has the transitional character, that is, it is in the ecotone.