The invention discloses a medical wastewater treatment system, which relates to the field of medical wastewater treatment. The medical wastewater treatment system provided by the present invention includes a water inlet pipe, a water outlet pipe, and a disinfection tank, a regulating tank, an acid-base tank, an anaerobic tank, an aerobic tank, a flocculation sedimentation tank and a sludge tank connected in sequence; the water inlet pipe is connected to To the disinfection tank, the water outlet pipe is connected to the flocculation sedimentation tank, and the conditioning tank is provided with a material pipeline connected to the sludge tank. In the medical wastewater treatment system provided by the present invention, the disinfection tank is set before other treatment tanks, and the medical wastewater is first disinfected and sterilized, so as to prevent the pathogenic microorganisms in the medical wastewater from spreading in the subsequent devices with the treatment process and affecting the next batch of wastewater. Medical wastewater causes secondary pollution and reduces the risk of spreading pathogenic microorganisms; using chemical methods to kill pathogenic microorganisms, the disinfection effect is good.