Reclaimed water irrigation is one of the effective measures to deal with the scarcity of water resources.In accordance with the necessity and urgency of reclaimed water reuse,the determination of both the reclaimed water treatment and the relevant irrigation technology is briefly analyzed herein,and then the construction purpose,the water quality standards and the technological process are expounded and studied.Finally,the relevant new technologies and technical requirements for the reclaimed water treatment are put forward for the reclaimed water irrigation from the aspects of the techniques and technologies related to sewage treatment,the technical requirements and standards for the reclaimed water irrigation,the management and monitoring of the reclaimed water irrigation,etc.