There is no fastest solution for elderly intestinal obstruction. Elderly intestinal obstruction can be caused by constipation, abdominal infection, intestinal malignant tumor, etc. It is usually solved by fasting, anti-infection or surgery. 1. Constipation: Bowel obstruction in the elderly may be caused by the accumulation of large amount of feces in the intestinal tract due to the difficulty of defecation in old age. At this time, it is necessary to fast for a period of time, do not add food to the intestines, and intravenous nutritional treatment is needed during the fasting period. Through the nose under the gastric tube, gastrointestinal decompression, the stomach residual food, digestive juices, gas suction to the outside of the body, but also need to enema constipation. 2. Abdominal infection: elderly intestinal obstruction may be caused by abdominal infection, such as appendicitis, cholecystitis, etc., and need to be anti-infective, such as cefoperazone plus tinidazole and other antibiotic treatment. 3. Intestinal malignant tumor: intestinal obstruction in the elderly may be caused by intestinal malignant tumors, which need to be checked for tumor markers and enteroscopy to define the type of tumor and be removed by surgery. Elderly people’s intestinal obstruction condition progresses rapidly and has many causes. Therefore, we need to pay attention to the observation, and actively treat it after clear diagnosis.