Abstract: Based on the phytocoenological method,the Euptelea pleiospermum community of Dafang Fokienia hodginsis National Reserve in Karst area in Guizhou Province was researched.The results are showed as follows:There are various plants in the community of Euptelea pleiospermum.Its family and genus are scattered composition.The geographical element is complicated,with a relatively higher connection to the tropical element on family level by 45.28% and a relatively higher connection to the temperate element on genus level by 39.44%.It was characterized by phanerophyte with mesophylls and microphylls,simple,herbaceous,coriaceous,unentire leaves.The vertical structure of community can be divided into tree layer,shrub layer and herb layer as well as a definite number of interstratum plants.The Shannon-Wiener indexes of tree layer,shrub layer and herb layer are 2.5561,2.6954 and 1.9145,respectively.