Repairing liver injury is that after the patient suffers from damaging factors to the liver (e.g. liver injury drugs, alcohol, trauma, surgery, etc.), the liver will be repaired through regeneration and gradually restore normal liver function. Liver injury is divided into traumatic liver injury and non-traumatic liver injury, non-traumatic liver injury is common viral hepatitis, fatty liver, alcoholic hepatitis and so on. 1. Repair of traumatic liver injury: it refers to determine the treatment plan according to the severity of the disease, actively correct the hemorrhagic shock, and if necessary, perform surgery to repair the structure of the liver and promote the gradual recovery of liver function. 2. Non-traumatic liver injury repair: generally, liver function tests, blood tests, etc., to determine the cause of liver injury and the degree of injury, the use of hepatoprotective drugs or targeted drug therapy, usually also pay attention to reduce the burden on the liver, protect liver function, and promote liver cell repair. Liver injury patients should follow the doctor’s instructions for medication, reasonable diet, maintain a good state of mind, regular review.