After the removal of the greater omentum, the possibility of regeneration is very small, and in general will not regenerate. The greater omentum belongs to a kind of peritoneum, which is composed of four layers of peritoneum from the double layer of the greater curvature of the stomach down to the height of the pelvic epigastric opening and then reflexed backward and upward to the transverse colon. It contains phagocytes and has a certain immunoprotective function. It is generally not regenerative and usually does not regenerate after resection. It should also be noted that since the greater omentum covers the surface of the intestinal canal, resection may increase the risk of intestinal adhesions, and may even lead to intestinal obstruction in severe cases. Therefore, after resection of the greater omentum, patients should pay more attention to dietary health, avoid spicy and stimulating food, and try not to eat greasy and indigestible food. If there is any abdominal discomfort, please go to the hospital as soon as possible for relevant examination and treatment.