Culture tail water bacteria and algae treatment pond

The invention relates to a culture tail water bacteria and algae treatment pond, which comprises a pond body, an upper planting layer, a lower culture layer, and a middle attachment layer, wherein thepond body is used for biological planting and living bacteria culture, and the bottom of the pond body is an inclined bottom; the upper planting layer is used for planting aquatic plants; the lower culture layer is provided with an aeration structure for culturing organisms; the middle attachment layer is provided with a bacteria bed, and upper and lower water can flow; and a drain hole is arranged at the lower position of the inclined bottom, a culture tail water inlet pipe is arranged on the pond body, and a lighting system is arranged at the upper part or the surface layer of the pond body. The pond has the beneficial effects that 1, the middle layer adopts a bacterial colony attachment structure, and gaps are formed in the bacterial colony attachment structure, so that substance exchange in the pond body is r