For liver transplant patients, because they need to take anti-rejection drugs for a long time after liver transplantation, they should pay attention to eat less cholesterol-rich foods, such as egg yolk and animal offal, after surgery. Secondly, they should eat less fatty meat and foods with high fat content, and they should pay attention to moderate exercise to avoid further formation of fatty liver. Again patients should eat more foods rich in vitamin C, such as fruits like oranges, grapefruit, oranges, but also need to eat other types of fruits, such as apples, pears, etc. Patients should note that if they have liver transplantation for hepatitis B cirrhosis or liver tumor, they should also regularly review hepatitis B triple system, hepatitis B DNA, liver function, liver and biliary ultrasound, liver elasticity and hardness test, etc. If necessary, patients need to be actively treated with liver protection. In addition, patients should be careful not to drink alcohol because it can cause abnormal liver function and some patients may suffer from liver insufficiency or liver failure.