The common symptoms of intestinal obstruction in the sigmoid colon are abdominal pain and abdominal distension, usually the abdominal distension is more obvious, and the abdominal pain is mainly vague, usually due to the low position of the sigmoid colon, so the symptoms of nausea and vomiting usually rarely appear. At present, the clinical treatment for intestinal obstruction caused by sigmoid colon is usually surgical treatment, which is Hartmann, that is, the local sigmoid colon is removed, the distal rectum is closed and the descending colon is fistulized from the left lower abdomen, so as to treat sigmoid colon obstruction and relieve symptoms.