The improved integrated sewage treatment equipment produced by our company adopts the composite hydrolysis + contact oxidation + fine treatment process, and the treatment effect can meet the requirements of level A in the pollution discharge standard of urban sewage treatment plants. The equipment has high treatment efficiency, low energy consumption, stable water quality, strong shock resistance, compact structure, small volume, no blockage, and simple maintenance and management. Suitable for the treatment of medium and small domestic sewage. The device can adopt ground integration or combined structure. The buried structure saves space, integrates with the surrounding natural landscape, and realizes programmed automatic control.