Abstract:Based on field survey, the species composition, flora characteristics, biodiversity of the Davidia involucrata community were investigated along with its appearance ,structure ,dynamics, and regeneration of D. involucrata population. The results suggest that: 1 ) The flora of D. involucrata community was rich, ancient, and prominently endemic;2) The community appearance was dominated by the deciduous macro- and mega-high species and evergreen mega- and microhigh species. The vertical structure of the community is complex;3) The population structure of D. involucrata changed from developing to stable type from the front to middle stage of the community succession;4) The probability of the sexual regeneration of D. involucrata comes down along with the increasing of its importance values in the community.