In general, surgery for anal disease is performed by open incision, and individual patients will have their wounds closed with sutures. Any small amount of bleeding after surgery is normal. But how to observe postoperative bleeding? Generally, after surgery, the wound will be fixed with a thong tape with sterile excipients to compress the wound, and the gauze under the thong tape can be observed on the day after surgery. A large amount of bleeding will see all the gauze stained red with blood and no white color can be seen. At this point, you need to go to the hospital immediately for emergency treatment. The treatment is also very simple, usually the patient will be given stitches or local compression, and the bleeding will soon be stopped. Cheng Fang, Department of Anorectal Medicine, Xiyuan Hospital, Chinese Academy of Traditional Chinese Medicine About a week after surgery, there may be a small amount of bleeding from the local wound of the anus, usually when defecating, especially in patients with constipation and diarrhea, the bleeding will be more, then you need to treat constipation and diarrhea, and it is best to defecate once a day, the bleeding from defecation is characterized by bleeding when squatting, as long as you stand up, you can quickly stop the bleeding. The patient should make sure that the defecation time is as short as possible, long squatting is also not good for the wound. Internal hemorrhoid ligation bleeding period is generally slightly more than usual, but usually only one or two days to stop bleeding. It is necessary to rest more at this time, and the wound will be fine when it heals normally after dislodging.