Bleeding from the drainage tube on the second day after rectal cancer resection is a normal phenomenon, which does not need special treatment. Generally, it is due to inflammation, surgical wound not stopping bleeding in place, etc. If the bleeding persists after the operation, it needs to be diagnosed clearly by the doctor, and the patient should undergo the second operation of caesarean section to stop bleeding. There will be a small amount of bleeding from the drainage tube on the second day after rectal cancer resection, and the patient’s wound will bleed under the stimulation of food in the digestive tract. Generally, the amount is small and can be drained out through the drainage tube, which usually doesn’t need any special treatment, and the patient needs to keep a good state of mind and doesn’t need to be overly tense. If the amount of bleeding is very large, persistent bleeding, it is likely that there is residual important blood vessels in the abdominal cavity rupture bleeding, need to be performed as soon as possible to stop the bleeding of the second surgical exploration, through the caesarean section to clean up the residual blood in the abdominal cavity, to find the bleeding point, give the ligature to stop the bleeding, and observe if there is no blood seepage, you can end the operation. Avoid the danger of hemorrhagic shock caused by excessive blood loss or intra-abdominal infection caused by bleeding. After rectal cancer resection, related surgical complications will occur, which need to be reflected to the attending doctor in time and actively cooperate with doctor’s treatment, so as to avoid delay or adverse consequences.