The most common cause of blood in the stool is hemorrhoids, if the clinical diagnosis of hemorrhoids has been confirmed, the amount of blood in the stool is relatively small, you can consider paying attention to the diet, as far as possible, do not eat spicy, deep-fried and greasy food, quit smoking and alcohol, most of them can be relieved. If you still do not see relief, appropriate to give Yunnan Baiyao 2 pills, 2 times a day orally, or cotrimoxazole suppository anal plug, most can achieve clinical relief. If severe hemorrhoids are not relieved repeatedly, it is best to give surgical treatment. If there is no diagnosis of hemorrhoids, it is necessary to complete the colonoscopy to clarify the cause of blood in the stool. If it is inflammatory bowel disease, ulcerative colitis, you need to give stannous oxide, dexamethasone and other drugs such as enema treatment, as well as LiuZiSulfapyridine oral. If gastric ulcer or duodenal ulcer is diagnosed and the blood is dark red in color, medicines to protect the gastric mucosa, inhibit gastric acid, and improve gastrointestinal dynamics should be given to treat the symptoms.