Abstract: For the effective protection of vascular plant in Meixihe Wetland Nature Reserve of Fengjie county in Chongqing province,the comprehensive investigation and study was carried out. Based on the field observation data processing,sample analysis,photographic material as well as other researchers' work,this paper calculated and analyzed the features of it which included the vascular plant species compositions,life forms,flora characteristics,rare and protected plants,and economic plants. The analysis results showed that there were 168 families,629 genera and 1 230 species of vascular plants in the nature reserve,including 626 species of widespread,strong resistance herbs. The characteristics of plant flora in the nature reserve possess the complex floristic composition,dominent big families and genus,ancient plant flora,obvious transitivity,abundant endemic genus. According to the existing problems in the protection and management of the wetland nature rreserve,protection countermeasures of plant diversity were put forward.

Key words: Meixihe Wetland Nature Reserve, plant diversity, protection