If you have long-term blood in the stool, first of all, do not be nervous, you should perform routine blood tests to clarify the degree of anemia. If the amount of bleeding is not very large and the degree of anemia is not particularly serious, you can take medication and conservative treatment. You should perform rectal examination and then insert anoscope and, if necessary, perform colonoscopy to clarify the cause of the disease and the site of bleeding. First, it may be internal hemorrhoids bleeding, because internal hemorrhoids generally bleed when the abdominal pressure increases or constipation causes the nucleus to rupture. Secondly, dry stools can easily damage the rectal mucosa or anal canal skin mucosa to form anal fissures, and blood will often be carried when you rub the stool. Third, rectal polyps, rectal adenomas, rectal malignant tumors, can lead to rupture of rectal mucosa or submucosal vessels, resulting in bleeding, the amount of blood is not very large, the symptoms are not particularly obvious, you can also carry out conservative and drug treatment, such as oral Yunnan Baiyao capsules to stop bleeding treatment. You can consider inserting hemorrhoid plugs and applying hemorrhoid cream around the anus. If the amount of blood in the stool is particularly large, you should promptly combine medical history, physical examination and auxiliary examination to clarify the cause, and then promptly perform surgical treatment, such as hemorrhoidectomy, anal fissure excision, rectal polyp or rectal adenoma excision, and if necessary, radical rectal malignant tumor surgery. If the blood count indicates a large amount of anemia and heavy bleeding, cross-matching should be performed in time to give blood transfusion treatment, and then the cause should be clarified and treated in time.