Mild fecal anal bleeding: 1. Because of hemorrhoids, the proliferated hemorrhoidal veins are blocked near the anal opening. When the patient drinks alcohol or eats spicy, stimulating food, these things are not well absorbed by the gastrointestinal tract and will be discharged along with the stool, directly stimulating the mucous membrane near the anus causing fecal anal bleeding. This kind of bleeding is generally not too much, most of them will be reduced after changing the diet or taking oral anti-inflammatory drugs such as Huanglian Shangqing tablets. 2. caused by anal fissures, mainly because of the usual dry food, do not love to drink water, resulting in dry stools, these dry stools will tear the skin around the anus when passing through the anal opening, thus causing bleeding, you can use warm salt water at night to do bath, drink more water. 3. Because of the rupture of the gastroesophageal bleeding, the amount of bleeding is usually relatively large, and the stool becomes black, it needs to be treated with oral hemostatic agents after diagnosis.