When women experience constipation and bleeding during defecation after giving birth, two conditions are usually considered. One is poor dietary structure, which leads to constipation and bleeding caused by excessive friction on the anus during defecation. The other is caused by anorectal diseases, such as hemorrhoids, anal fissures, colon polyps, and colon cancer. Patients should go to the anorectal department of the hospital for treatment after perfecting the relevant examination.1. Poor dietary structure: women consume a lot of high-fat and high-protein food after giving birth, and the intake of vegetables and fruits is insufficient, which will lead to constipation and difficult discharge, and excessive rubbing of the anus during defecation will lead to bleeding. Maternity in the daily diet should pay attention to the intake of dietary fiber, eat more fresh fruits and vegetables, such as bananas, celery, etc., increase the amount of water, or appropriate drinking honey water, to play the role of laxative; 2, anorectal diseases: such as hemorrhoids, anal fissures, colon polyps, colon cancer, etc., can lead to bowel difficulties, bowel bleeding symptoms. If it is hemorrhoid, it can be accompanied by symptoms such as prolapsed hemorrhoid nucleus and pain, and the bleeding is usually bright red. If the bleeding is caused by anal fissure, it is usually accompanied by severe pain. If the bleeding is caused by colon polyps and colon cancer, it is usually painless and may be accompanied by a change in stool properties. Patients need to go to the anorectal department of the hospital promptly. Hemorrhoids can be treated with hemorrhoid suppositories as prescribed by the doctor, and severe cases may require surgery. Anal fissures can be treated with lidocaine syrup for pain relief and topical nitroglycerin ointment. If conservative treatment does not work, surgery may be performed. If the bleeding is caused by colon polyps and colon cancer, surgery or even radiotherapy is usually required.