Abstract: The diversity of vascular plant species in Donghe National Wetland Park is described by field surveying.The results show that there are 1485 species of vascular plant in Donghe National Wetland Park，belonging to 766 genera and 179 families.Among them,there are 285 Wetland plants (including aquatic plants),belonging to 186 genera and 73 families,accounting for 40.78%、24.28% and 19.19% of the total amount of families,genera and species in Donghe National Wetland Park,respectively.The geographic distribution is complex for 11 types of family distribution and 15 types of genera distribution.The flora in genera displayed significant tropical feature,with 46.25% (including 327 genera) of tropical elements and 41.00% (including 288 genera) of temperate elements.The corresponding conservation strategies were proposed，aiming to provide reference for the biodiversity conservation of National Wetland Park.

Key words: vascular plant, flora, protection, Donghe National Wetland Park