Liver has the functions of detoxification, secretion and excretion of bile, etc. Normal people can take care of their liver by avoiding heavy drinking, avoiding drug abuse and having a balanced diet in their daily life. 1. Avoid drinking a lot of alcohol: Alcohol can easily damage the liver function and cause the elevation of aminotransferases, and long-term drinking of large amounts of alcohol can lead to alcoholic liver or cirrhosis of the liver. 2. Avoid abusing drugs: blindly abusing drugs will increase the burden on the liver, some drugs such as isoniazid are harmful to the liver and should be used with caution. 3. Balanced diet: low-fat, high-protein, high-vitamin and easy-to-digest diet is appropriate, such as milk, eggs, etc., and less greasy food such as doughnuts and fatty meat. Eat regularly and do not overeat. If there is any discomfort, it is recommended that standardized treatment be carried out in time.