The foreign bodies of the colon by the anal way are rare in our daily practice and constitute a taboo contrary to those ingested. These objects can be put into the rectum for therapeutic, sexual, behavioral disorder, to conceal the object (drugs) or more rarely, in accidental circumstances. They are very diverse and unusual. We report the case of a 66-year-old patient admitted to the emergency department for a foreign body in the sigmoid colon. X-ray of the abdomen without preparation showed the foreign body in the sigmoid. The extraction was done in trans anal, by medial laparotomy under umbilical. The postoperative course was simple.