If the stool bleeds for several days in a row, the following reasons are mainly considered: 1. Hemorrhoids: Generally, blood drips after stool and it is fresh blood, it is suggested that conservative treatment is the main treatment, and local fumigation and sitz bath treatment can be chosen. 2. Intestinal cancer: Most of them are mixed with blood and stool, it is suggested that after perfecting relevant examination and clarifying the stage of tumor, comprehensive treatment with surgery is adopted, including chemotherapy, radiotherapy, targeted therapy, immunotherapy, etc, radiation therapy, targeted therapy, immunotherapy, etc. If you find bleeding in stool, it is recommended to go to regular specialized hospital in time, especially to anorectal doctors for rectal examination and anoscopy, and if necessary, colonoscopy, which can basically make a clear diagnosis.