Sewage treatment equipment

The utility model discloses sewage treatment equipment. The treatment equipment disclosed by the utility model is provided with a plurality of treatment zones, wherein each treatment zone comprises a pre-sedimentation zone, an anaerobic zone communicated with the pre-sedimentation zone, a first aerobic zone communicated with the anaerobic zone, an anoxic zone communicated with the first aerobic zone, a second aerobic zone communicated with the anoxic zone and a sedimentation zone communicated with the second aerobic zone; the adjacent treatment areas are communicated through water passing holes, and treatment water of the adjacent treatment areas flows in opposite directions; the pre-sedimentation zone is provided with a first water inlet, and the anoxic zone is provided with a second water inlet; domestic sewage is respectively fed into the pre-sedimentation zone and the anoxic zone through the first water inlet and the second water inlet. The treatment equipment disclosed by the utility model is high in int