Constipation with anal bleeding may be caused by simple constipation that leads to local damage to the anus, resulting in anal bleeding symptoms. It may also be due to hemorrhoids, anal fissure or rectal mucosal prolapse, which cause constipation and anal bleeding at the same time. It is suggested that patients can go to the anorectal surgery department or gastroenterology department of the hospital for consultation, and carry out the corresponding treatment under the guidance of doctors: 1. Constipation: mostly related to lack of exercise, long-term low-fiber diet, drinking too little water, side effects of drugs, excessive mental stress, etc., resulting in gastrointestinal power malfunction, too dry stool, causing damage to the mucous membrane of the anus, triggering anal bleeding. It is recommended to adjust living and eating habits, eat more food containing more fiber, avoid prolonged squatting, exercise properly, and if necessary, apply gastrointestinal motility drugs such as Mosapride and Itopride under the guidance of a doctor, as well as lubricating drugs such as topical open plugs and mineral oil to help relieve symptoms; 2. Hemorrhoids: including internal hemorrhoids, external hemorrhoids, mixed hemorrhoids, etc. The causes mainly include age, poor defecation habits, sedentary, over-eating spicy The causes include age, poor bowel habits, prolonged sitting, excessive consumption of spicy food, etc., and bleeding from ruptured hemorrhoids due to excessive friction from excessively dry stools or diarrhea, which manifests as anal bleeding. The symptoms of hemorrhoids can be relieved by hot water baths and potassium permanganate baths after treating constipation, and can be surgically removed if the hemorrhoids continue to prolapse without relief; 3. Anal fissure: Mostly caused by long-term constipation, dry stool and other causes of anal canal rupture, usually accompanied by severe pain in addition to constipation and bleeding. If the amount of bleeding is high, hemostatic drugs, such as Panax ginseng powder, can be applied to treat the bleeding. Patients with more bleeding can apply hemostatic drugs such as Panax notoginseng powder, in addition to promote the recovery of rectal mucosa through manual reset and surgical treatment; 5, other: proctitis, rectal and colon polyps, anal polyps and other proliferative diseases, as well as rectal cancer and other tumors may also lead to constipation, anal bleeding and other symptoms, medical examination to help confirm the diagnosis, and timely treatment.