Abstract: The plant communities of Taxus mairei in Guzhang county and the community structure were studied based on the vegetation survey.The results showed:(1)The flora of community is rich and complex,and it belongs to the transitional zone for many genera,the subtropical-temperate zone geographical composition of genera are dominant,about 51.47% of the total genera,and there are characteristics which form subtropical to temperate zone transition.(2)The species are mostly composed of Fagaceae,Lauraceae,Anacardiaceae,Ulmaceae,Araliaceae,Hamameliaceae,etc,but the dominant species in the communities are characterized by temperate genera.(3)In the lifeform spectrum,there are overwhelming meso-,micre- and nano-phanerophytes (55.53% of the total),and abundant linophanerophytes,and the vertical structure of the community is clear.

Key words: Taxus mairei, plant community, community analysis, Guzhang County