Abstract: This paper has surveyed and analysed on community structure of Cercidiphyllum japonicum in Taojin River Valley of Fanjingshan National Nature Reserve by using the sample plot survey to Fanjingshan, and this community compose by 7 families 8 species plants.The result shows that age-structure of the community of C.japonicum in that section is simple,and the canopy structure is simple also.In the end, the way is suggested in order to protect healthy development on the species community.