Jiaxing created a precedent using bypass riparian marshes to purify micro-polluted wa-ter sources in China.Pond-wetland complex with constructed root channel technology be-comes a paradigm which can be analogized as “human-body wetland model” based on bion-ics or biomimetics.Heterogeneous plant-bed/ditch system with highly active land/water ecotone interfaces,especially meandering boundaries,breeds many biochemical reactions“living areas”.Optimization of hydraulic regulation promotes redox environment alterna-tions and wetland treatment efficiency.Here we reported a series of upgrades and perfor-mances in Guanjinggang wetland after the Shijiuyang prototype.Morphological reform of plant-bed/ditch system played a vital role.Spatially root channel zone was main force of wetland purification,and temporally the treatment effect was higher in low-temperature seasons indicating non-temperature dependent mechanisms worked.Water pollution com-prehensive index improved steadily from Ⅳ to Ⅲ,and comprehensive pollution load was reduced by ca.40％-60％.Comprehensive evaluation function value further showed the gra-dients purification effect of the upgraded wetland.Ecological wetlands ameliorated source water quality,and reduced drinking water treatment reagents,thereby bringing about eco-nomic benefits.Through wetlands operation,people can see how the micro-polluted surface water becomes clear and clean,so promoting a significant social benefit.As a viable compo-nent of urban green space,wetlands could beautify regional eco-environment,freshen the air,increase urban ecological taste,and enhance the eco-environmental protection public-ity.Thus,the multifunctional service values and indirect benefits are substantial.Jiaxing ecological wetlands provide a typical paradigm for water pollution remediation in develop-ing countries and plays a leading role in technology engineering radiation effect.