A drainage device, comprising a drainage container (1) provided with a liquid storage chamber (11) a liquid inlet (15) is arranged on the liquid storage chamber (11), or a liquid inlet (15) and a liquid outlet (21) are arranged on the liquid storage chamber (11)l the drainage container (1) is provided with an infection control device (8) capable of killing microorganisms. The drainage device can be provided with an infection control device (8) on the drainage container (1), and the infection control device (8) is selected from an ozone sterilization device (88), a high-temperature sterilization device (89), an ultraviolet sterilization device (90), an antimicrobial material (91), an antimicrobial drug (92), a photocatalytic disinfection and sterilization device (93), an ionizing radiation sterilization device (94), a low temperature plasma hydrogen peroxide disinfection and sterilization device (95) and an oxidant (96). The present invention can actively kill microorganisms, reduce or prevent microbial reverse infections, so as to prevent infections, prolong the service life of a drainage device, reduce waste as well as environmental impact the present invention is also safer medically, and can reduce medical expenses. The drainage device is applicable in the field of medical equipment.Ce dispositif dévacuation comprend un réservoir de drainage (1) présentant une chambre de stockage (11), sur laquelle chambre de stockage (11) est pratiqué un orifice (15) dadmission de liquide ou sur laquelle chambre de stockage (11) est pratiqué un orifice (21) dévacuation de liquide. Le réservoir de drainage (1) présente un capteur (8) permettant de rendre inactifs les micro-organismes, lequel capteur (8) est sélectionné parmi un dispositif (88) de désinfection de lozone, un dispositif (89) de désinfection à hautes températures, un dispositif (90) de désinfection par rayons UV, une matière (91) antibactérienne, un médicament (92) antibactérien, un dispositif (93) de désinfection pa
