Pond culture water ecological management system

The utility model discloses an ecological management system for pond culture water. The ecological management system comprises a drainage channel for receiving water discharged from a pond, a sedimentation tank, an aeration oxidation tank and an ecological purification tank, wherein the drainage channel, the sedimentation tank, the aeration oxidation tank and the ecological purification tank are sequentially connected in the water flowing direction; wherein the settling pond comprises a settling pond body, floating-leaved plants and/or floating beds arranged in the settling pond body, a firstwater distribution ditch and a second water distribution ditch which are arranged at two opposite ends of the settling pond body in the water flowing direction, and a filter dam arranged between the settling pond body and the second water distribution ditch. According to the pond culture water ecological treatment system, culture water is subjected to multi-level system purification based on physical action and biological