If the elevation of AST is physiological, it can be improved by adjusting life habits, etc. If it is caused by viral hepatitis, alcoholic liver disease and other pathologic reasons, antiviral, liver-protecting and enzyme-lowering medication can be given. 1. Physiological elevation: such as doing strenuous exercise, not enough sleep, taking certain drugs, caused by transient elevation, such as strenuous exercise, high fever, etc., need to eliminate these influencing factors, maintain sufficient sleep, avoid staying up late, stop taking drugs, can gradually return to normal. 2. Viral hepatitis: including hepatitis A, B, C, D, E, need to be treated for the cause. For example, hepatitis B virus infection can be given antiviral drugs, such as lamivudine, entecavir and other antiviral therapy. 3. Alcoholic hepatitis, long-term heavy drinking: strictly prohibit alcohol, give drugs to protect liver and reduce enzyme, such as bicyclic alcohol, silymarin capsule, polyene phosphatidylcholine and other drugs. Long-term high level of AST may also be related to drug-related liver damage, fatty liver, autoimmune liver disease, it is recommended to consult a doctor in time to clarify the cause of the disease, and follow the doctor’s instructions to use medication.