Abstract:

In order to determine better plant types in design and construction of constructed wetland, a new classification method was proposed in the study, which was aquatic type, wet type and terrestrial type of wetland plants based on China’s current wetland plants of the main application types. Theremore, different wetland plants and their different season effects of decontamination studies were reviewed, last, the analysis of wetland plants the main 5 questions, including application of plant species less, plant landscape value lower, big influence was the environmental impact, problems of secondary pollution, plant purification mechanism needed to be further strengthen to understand. Furthermore, research and development of 3 directions were put forward.