A single stool with bleeding is most likely caused by dry stool scratching the mucosa of the lower rectum or the skin of the anal canal, causing bleeding. The first step is to soften the stool, which can be done by taking oral marijuana pills, Sophora pills or lactulose oral solution. If the result is not good, you can use open plug or saline to inject into the anus to soften the dry stool and then eliminate it from the body. At the same time, apply hemorrhoid ointment to the anus, you can use anal tide ointment or Ma Yinglong hemorrhoid cream. Incorporate hemorrhoid suppositories inside the anus, such as anal tide suppositories or Ma Yinglong hemorrhoid suppositories, to stop the bleeding and laxative effect. In addition, adjust the diet structure, avoid too spicy and stimulating food and fried food, increase the intake of fruits and vegetables and other foods, and drink more water. With the above treatment plan, most of the symptoms of constipation and blood in the stool can be improved.