Blood in the stool needs to be treated symptomatically according to different causes, including the following ways: First, consider internal hemorrhoid bleeding, which is one of the most important causes of blood in the stool. Internal hemorrhoids bleed in relatively small amounts, dripping or spraying when defecating, and are bright red in color, and can be treated with oral Yunnan Baiyao or topical hemorrhoid suppositories. Secondly, if it is a bleeding polyp, it is treated by resection under colonoscopy. Thirdly, if the bleeding is caused by intestinal tumor, other diseases should be excluded through clinical symptoms and colorectal microscopy, and the tumor should be treated with surgery after confirmed. In summary, the causes and treatment of blood in the stool, if there is an ulcer in the intestine will also appear in the stool with blood.