Stinging and bleeding stools are most common in hemorrhoids and anal fissures. When you have hemorrhoids, the rupture of blood vessels in the nucleus will cause bleeding, mostly fresh blood and accompanied by pain; when you have anal fissures, because of intestinal mucosa damage, local nerve thoughtful pulling or compression, or inflammatory stimulation, you will have a stinging sensation, and at the same time there is damage to the mucosa and blood vessels, which can cause bleeding symptoms. It may also be a long-term constipation, because the loss of water in the stool leads to dry, hard, stool discharge and intestinal mucosa friction, resulting in mucosal damage, rupture, causing pain, bleeding, it is recommended to promptly go to the hospital for examination, you can rectal finger diagnosis or direct electronic colonoscopy. If the hemorrhoid is caused by hemorrhoids, you can hemorrhoid cream local treatment and warm water sitz bath; anal fissure can be surgically treated; constipation needs to adjust the diet structure and habits and drink more water.