Abstract: Prolonged Postoperative Ileus (PPOI) often occurs after abdominal surgery,and it is still one of the common complications in the field of surgery,which not only results in the prolongation of postoperative recovery time and hospital stays but also one of the main reasons for the increase of patients’ economic burden and the waste of medical resources.It has been paid more and more attention by scholars because of its special clinical manifestations and the lack of recognized treatment and preventive measures.This review intends to make a summary and prospect of the related mechanisms of PPOI,the auxiliary diagnostic methods of PPOI,and the treatment methods that show a certain curative effect on PPOI.

Key words: gastric cancer, prolonged postoperative ileus, sodium aescinate