Sewage treatment device

The utility model discloses a sewage treatment device which comprises a treatment box, a power mechanism is arranged at the upper end of the treatment box, a stirring rod is arranged on the power mechanism, a driving mechanism is installed on the treatment box, a pushing mechanism is arranged in the treatment box, and the power mechanism comprises a motor, a rotating shaft and a power gear. A driving mechanism drives an annular plate to reciprocate up and down, the annular plate drives a guide rod to move, so that the annular plate drives wastewater at the bottom of the treatment box to shake, particles above the annular plate are driven to the rotating horizontal plane of a stirring rod, the particles can be separated from the upper end of the annular plate, and then the wastewater is filtered by a filter screen and enters an annular groove from a discharge hole; when the annular plate moves downwards, the wastewater is squeezed and pushed from the discharge holes to impact the center part of the bottom end