The main causes of intestinal obstruction are: postoperative intestinal adhesions after abdominal surgery, colorectal tumors, hernia, intestinal inflammatory diseases, intra-abdominal abscesses, intestinal torsion, fecal dryness and embeddedness, and intestinal foreign bodies. The treatment of intestinal obstruction mainly includes correcting water and electrolyte disorders and acid-base imbalance; gastrointestinal decompression; preventing and controlling infections; and surgical treatment, etc. It is recommended to seek medical treatment in time. 1. Among the causes of intestinal obstruction, 60% of small intestinal obstruction is caused by postoperative intestinal adhesion, mainly appendectomy, colorectal surgery, gynecological surgery, hernia repair, etc.; intestinal inflammatory diseases are mainly Crohn’s disease and so on. 2. The treatment of intestinal obstruction mainly includes (1) Correcting water and electrolyte disorders and acid-base imbalance, mainly fasting and water fasting, placing intravenous tubes in order to facilitate the replenishment of nutrients and water and electrolytes. (2) Gastrointestinal decompression mainly involves placing a gastric tube through the nostril into the stomach, thereby drawing out the fluid and gas accumulated in the digestive tract and reducing the swelling of the intestinal lumen. (3) Prevention and treatment of infection mainly involves the choice of antibiotic drugs such as penicillin. (4) Surgical treatment is mainly laparoscopic surgery or open surgery according to the condition. So it is said that once intestinal obstruction occurs, you should seek medical treatment in time for professional treatment.