Method for reusing synthesized middle water

The present invention discloses a method for comprehensively treating, recovering and reutilizing intermediate water, belonging to the field of domestic sewage treatment technology. Said method is characterized by that a high-order position ecological purification tank is set nearby intermediate water treatment plant, the domestic sewage can be discharged into the intermediate water treatment plant by means of pipeline to make purification treatment, one portion of intermediate water obtained after purification treatment can be conveyed into residential district, and can be used as non-drinking water, another portion can be discharged into the high-order position ecological purification tank and mixed with the tank water, at the same time the tank water in the high-order position ecological purification tank can be conveyed into the intermediate water treatment plant by means of overflow pipeline, and can be mixed with domestic sewage to further make sewage purification treatment.