Drainage device for operating room nursing

The utility model discloses a drainage device for operating room nursing, which belongs to the technical field of medical auxiliary instruments and comprises a drainage bottle and a cover body arranged at a bottle opening of the drainage bottle, and the inside of the cover body is of a cavity structure and is communicated with the inside of the drainage bottle; a peculiar smell gas adsorption device is arranged in the cover body, the peculiar smell gas adsorption device comprises a filter element, and the filter element is of a funnel-shaped structure and is tightly connected with the inner wall of the cover body. The peculiar smell gas adsorption device is arranged in the cover body, peculiar smell impurities and peculiar smell gas in drainage liquid flowing through the cover body are adsorbed through the peculiar smell gas adsorption device, peculiar smell is prevented from being emitted out, and therefore psychological pressure brought to a patient is avoided, and discomfort caused by the peculiar smell to