The paper indicates the constructed wetland is the new sewage treatment craft,mainly introduces the basic components of the constructed wetland,including the substrates,the plants,microorganism three main construction types,illustrates the removal mechanism of the constructed wetland for the pollutants and their advantages and disadvantages,and undertakes the perspective for the application of the constructed wetland in China.%人工湿地是一种新型的污水处理工艺,主要介绍了人工湿地的基本构成：基质、植物、微生物三种主要构建类型,阐述了人工湿地对污染物的去除机理及其优缺点,最后对人工湿地在我国的应用前景进行了展望。
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