Tummy pain after intestinal polyp surgery is often caused by the following reasons: 1. Intestinal spasm, if the intestinal polyps are removed under colonoscopy, this is mostly a relatively normal phenomenon. Because the colonoscopy will play a lot of gas into the intestine, after the surgery gas is not completely out of the body, the patient will appear intestinal discomfort. The actual fact is that you can find a lot of people who are not able to get a lot of money from the internet. At this time, you need to go to the hospital as soon as possible to improve the relevant tests, such as abdominal CT, as well as blood routine, C-reactive protein, etc. If the problem is considered, an aggressive repair of the intestinal fistula is required and the patient should not eat or drink during the treatment period.