Rectum cancer postoperative anus decompression tube

The invention discloses a rectal cancer postoperative anus decompression tube, and relates to the technical field of medical instruments. The present invention comprises: a decompression tube body for entering the interior of the anus of a patient; the first sealing bag body and the second sealing bag body are used for fixing the decompression tube body, and it is guaranteed that the decompression tube body cannot fall off in the patient; a buffer mechanism is installed at the bottom of the decompression pipe body and used for preventing external force from causing movement of the decompression pipe body to injure a patient. By means of gas injection of the first sealing bag body and the second sealing bag body and arrangement of the connecting mechanism, the pressure reduction pipe body can be better fixed and prevented from falling off, movement of the pressure reduction pipe body caused by external force can be prevented through arrangement of the buffering mechanism, harm to a patient is reduced, and the