The utility model discloses integrated biochemical treatment equipment, which is used in the field of wastewater treatment and comprises an anaerobic zone provided with a water inlet channel. The anoxic zone is arranged at the top of the anaerobic zone, and the anoxic zone is connected with the anaerobic zone through a first water passing channel; the aerobic zone is arranged at the top of the anoxic zone, the aerobic zone and the anoxic zone are connected through a second water passing channel, and an aeration device is arranged in the aerobic zone; the settling zone is arranged at the top ofthe aerobic zone, the settling zone is connected with the aerobic zone through a third water passing channel, and the settling zone is provided with a sludge discharging channel and a water outlet channel; the anaerobic zone, the anoxic zone, the aerobic zone and the settling zone are sequentially arranged from bottom to top to form a vertical structure. The equipment is sequentially arranged from bottom to top to form a vertical structure, and has the advantages of being small in occupied area, high in integration, capable of being modularized, assembled and productized, improving the reaction speed, low in solving efficiency, improving the nitrogen and phosphorus removal effect and the like.