The invention relates to the technical field of medical wastewater and discloses a medical sewage treatment device. The medical sewage treatment device comprises a wastewater treatment equipment body,wherein the bottom of a right wall of the wastewater treatment equipment body is fixedly connected with a hydraulic type elevator. According to the medical sewage treatment device, the problem in themarket that medical equipment is not easy to wash when the medical equipment is washed is solved; a placement net box is matched with an electric quantity storage device; a placement net plate is into an inner wall of the middle part of the wastewater treatment equipment body and is supported through a grid baffle plate. When being distinguished from the scheme in the prior art, an air inlet device and heating equipment, which are fixedly connected to the top of the electric quantity storage device, can be used for raising the water temperature in the placement net box; the air inlet device can be used for carrying out bubble type washing on equipment in the placement net box and sewage at the bottom can be discharged into the top of liquid and is convenient to discharge.