Two or three days without stool may be constipation, hemorrhoidal obstruction, intestinal obstruction and other reasons, can be taken to promote defecation drugs, hemorrhoidectomy, surgery to relieve the obstruction and other ways of treatment. 1. Constipation: the main symptom of constipation is difficulty in defecation, which can be treated with lubiprostone and other drugs to promote defecation, stool softeners such as bisacodyl, senna and so on. 2. Hemorrhoidal obstruction: internal hemorrhoids will block the anus when large, resulting in feces is not easy to discharge, can be taken to hemorrhoidectomy, anastomosis hemorrhoidal mucosal circumcision and other surgical methods of excision of hemorrhoids, to lift the anal obstruction, so that feces can be discharged smoothly. 3. Intestinal obstruction: intestinal resection and intestinal anastomosis, simple surgery to relieve obstruction, intestinal stoma or intestinal surgery, etc. can be used to relieve intestinal obstruction. All the above treatments should be carried out under the guidance of a physician, and it is forbidden to use medicines blindly. There may be other reasons for not passing stools for two or three days, so you can go to the hospital for examination to clarify your condition.