Gastric polyp resection after a few days without defecation is considered to be functional constipation, gastric polyp resection caused by gastrointestinal dysfunction and other factors caused by the need for targeted treatment under the guidance of a doctor, such as general treatment, medication, etc.; may also be caused by dietary factors, dietary adjustments can be restored. 1. Functional constipation: need to adjust the lifestyle, such as appropriate exercise, drink more water, eat more corn, apples and other foods rich in dietary fiber, to develop good defecation habits, after lifestyle adjustments can not be relieved by the use of Kesler, polyethylene glycol and other drugs. 2. Gastrointestinal dysfunction: the use of anesthesia drugs for gastric polyp resection may cause gastrointestinal dysfunction, resulting in indigestion, not defecation, you can use Itopride, Keserol and other gastric motivation drugs to alleviate the situation. 3. Dietary factors: after gastric polypectomy gastrointestinal tract is in the recovery period, this time eating less food compared to daily, can cause constipation, no need to worry about, as long as the gradual adoption of a non-liquid diet to promote gastrointestinal power recovery can be. If you have gastric polypectomy and do not have bowel movements for several days after the polypectomy, you are advised to go to the hospital after lifestyle intervention and dietary adjustments that do not relieve the constipation.