The invention discloses an efficient environment-friendly medical waste treatment device. The efficient environment-friendly medical waste treatment device comprises a treatment box, wherein a dryingbox is connected to the top of one side of the treatment box by virtue of a bolt, a disinfectant box is connected to the top of the drying box by virtue of a bolt, a box cover is connected to the topof the other side of the treatment box by virtue of a buckle lock, a crushing motor is connected to the middle of the top of the box cover by virtue of a bolt, and a crushing rod is connected to a bottom output shaft of the crushing motor by virtue of a bolt. The efficient environment-friendly medical waste treatment device has the advantages of simple structure, convenience in operation and low purchase cost, medical waste is disinfected and sterilized for many times, and circulating disinfection and sterilization is performed in the crushing process of medical waste, so that the disinfectionand sterilization effect is good; additionally, blind areas of the disinfection and sterilization of the medical waste can be avoided, so that the disinfection and sterilization effect of the medicalwaste is good; and the crushed medical waste can be dried by virtue of a pressure relief valve and a fan, so that the medical waste is convenient to convey and incinerate.