Easy to be hungry after liver transplantation may be because before liver transplantation, one’s own liver belongs to the state of disease, poor digestion and absorption ability, resulting in the organism does not easily feel hungry, after liver transplantation, the liver digestion and absorption ability is restored, it will be easy to be hungry. The indications for liver transplantation are: (1) Substantial diseases of the liver caused by non-pathogenic microorganisms, such as alcoholic cirrhosis. (2) Various types of hepatitis and cirrhosis caused by pathogenic microorganisms leading to liver failure and portal hypertension. (3) Inborn metabolic disorders. Such as hepatomegaly, etc. (4) Cholestatic diseases, such as congenital biliary atresia. (5) Liver malignant tumors without extrahepatic metastasis and macrovascular invasion. In addition, it is important to note that liver transplantation is prone to vascular or biliary complications, including hemorrhage and biliary fistulae in the liver section and other adverse reactions.