The invention discloses a sewage treatment structure. The sewage treatment structure comprises a sewage inlet, a drop manhole and a torrent tank, wherein the horizontal height of the drop manhole is lower than that of the sewage inlet, and the torrent tank communicates with the sewage inlet and the drop manhole and is provided with a plurality of buffering parts. According to the sewage treatment structure, the multiple buffering parts are arranged in the torrent tank, thus, the sewage flow in the torrent tank can be buffered, the sewage treatment efficiency is improved, and the structure of the torrent tank is firm.