Severe constipation after gastric polyp surgery can be improved through lifestyle modification, adjuvant therapy and medication. 1. Lifestyle regulation: you can do more exercise to promote gastrointestinal peristalsis. Diet should be light and easy to digest to reduce the burden on the stomach and intestines. 2. Adjuvant therapy: you can massage the abdomen to promote intestinal emptying. You can also use warm salt water enema to promote the discharge of stool. 3. Drug therapy: serious constipation after gastric polyp surgery is mostly due to the gastrointestinal function has not yet recovered, you can take drugs to promote gastric power, such as domperidone, mosapride. You can also use laxative drugs, such as Keserol. If you are diagnosed with severe constipation after gastric polyp surgery, it is recommended that you seek medical attention as soon as possible, under the guidance of a doctor, to carry out standardized treatment, avoid self-medication to reduce the adverse effects of drugs.