Shortage of water resources has become one of vital problems world widely, so improvement for making more sufficient use of urban tailwater is one of significant issues for environmental engineering as well as landscaping. With different technologies and various of its types, constructed wetlands can be applied to purify lightly polluted water. Urban water quality treatment (WQT) wetland is an economical and efficient infrastructure for tertiary wastewater treatment, which would be potential once its purification capabilities could be developed. Three principles, including ecological, service, and aesthetic principles, have been concluded in this research. In addition, relationships among practical landscape design strategies of constructed WQT wetlands and other factors, including its water treatment performance, simulation analysis and landscape aesthetics, should be applied in practical landscape design, which will enable them to play a key role as one of nature-based solutions (NBS) in future.