The concept and its connotation of ecosystem restoration of urban rivers were defined.The restoration should be a kind of reconstruction or alternation,including river restoration and the optimization of a socio-economic system.The integrative multi-object restoration,aiming at ecosystem health of urban river was proposed,and the principles for ecosystem restoration of urban rivers were given.Furthermore,ecosystem restoration mode of urban rivers described as "pollution source controlling,discharge detaining,silt cleaning,capacity increasing,greening,bank widening,landscape constructing,habitat building" was established.Finally,restoration technologies,including channel restoration technology outside and inside rivers habitat and fishway restoration technology,physical form restoration technology were summarized.