Abstract: Intestinal microecology is the most important microecosystem of human body,which is composed of a large number of intestinal microflora and their living environment.Intestinal microecology is related to human immune and metabolic function,and is an important media of gutliver circulation.In the liver transplant population,because of the liver disease itself and the liver transplant operation influence,the intestinal microecology will have the change,this kind of change will directly affect the transplant liver function recovery.At present,how to adjust the intestinal microecology to promote the postoperative recovery of liver transplantation patients is still in the exploratory stage.This article reviews the changes of intestinal microecology in liver transplant patients,the relationship between intestinal microecology and complications after liver transplantation,and the effect of Intestinal microecological regulation program on postoperative recovery of liver transplant patients.The aim of this study was to reveal the importance of intestinal microecology and to provide reference for the future perioperative intestinal treatment of liver transplantation.

Key words: liver transplantation, intestinal microecology, intestinal flora, postoperative complications