Abstract: Plant communities in the wetlands have great significance in maintaining the function of wetland ecosystem and protecting the biodiversity. The diversity and floristic composition of plant communities in Huixian Karst wetlands, Guangxi were analyzed in this study. The results indicated that there were 133 species of plants belonging to 79 genera and 39 families in Huixian Karst Wetlands, of which angiosperms belonged to 34 families, 74 genera and 128 species, ferns belonged to 4 families, 4 genera and 4 species. Gramineae and Cyperaceae were the dominant families, belonging to 15 genera and 7 genera, respectively. Polygonum, Heleocharis, and Cyperus were the dominant genera. Emergent plants are the most abundant, there were 77 emergent plants, accounting for 57.9% of the total species. The flora of the plants in Huixian Karst wetlands was divided into 10 types and showed obvious tropical subtropical characteristics.