Abstract:

With the development of the society, point pollutions were been disposed effectively, non-point source pollution(NPSP) management was become important more and more. This paper analyzed the cause of NPSP with emphasis of rural, put forward the constructed wetlands technology which could be available to NPSP control, and introduced the principium and some research improvement of this technology in the world. The constructed wetlands technology must have very spacious and long-term future to control the NPSP especially in rural region with its low-investment, inexpensive, easy maintenance and management predominance.