Abstract: 【Objective】The study was conducted to have a good understanding of the wetland plant diversity for providing important data support to the conservation and utilization of Guangdong plant resources. 【Method】 Field investigation and literature consulting help us enumerate the checklist of Guangdong wetland plant. 【Result】 Three species Deinostema violaceum (Platanaceae), Cryptocoryne crispatula var. balansae and C. crispatula var. tonkinensis (Araceae) were the new record for the flora of Guangdong, of which, Deinostema was the new record genera. Their morphological descriptions with colorful images were provided for further identification. 【Conclusion】 The new information of these plants of distribution may not only enrich the plant diversity in Guangdong but also provide valuable reference for the exploration and utilization of the wild wetland plant resources of Guangdong .