Liver function abnormality for a year, may be drug hepatitis, viral hepatitis, alcoholic hepatitis, steatohepatitis, etc., mainly to drug treatment, if necessary, consider surgical treatment. 1. Drug hepatitis: if some drugs cause liver damage resulting in liver function abnormality for one year, the use of drugs that damage the liver should be suspended, and at the same time to lower the enzyme hepatoprotective treatment, commonly used drugs such as biphenyldiphenyl drip pill, liver tablets, Ye’s enzyme-lowering granules, and so on. 2. Viral hepatitis: If viral hepatitis leads to abnormal liver function for one year, it should be treated with antiviral drugs, anticirrhotic drugs and liver-protecting drugs with specialized doctors, and commonly used drugs include tenofovir, strong liver capsule and liver-protecting tablets. 3. Alcoholic hepatitis: If alcoholic hepatitis leads to liver function abnormality for one year, first of all, you should quit the alcohol addiction, and under the guidance of professional doctors to carry on the liver preservation treatment, such as liver protection tablets and so on. If serious cirrhosis occurs, we should consider changing artificial liver or undergoing liver transplantation. 4. Steatohepatitis: If steatohepatitis leads to liver function abnormality for one year, it is mainly to protect the liver, reduce enzyme and anti-inflammatory treatment, and commonly used medicines include diammonium glycyrrhizinate capsule, polyene phosphatidylcholine, compound glycyrrhizinate tablets and silymarin. If the liver function is abnormal for one year, it is recommended to go to the regular hospital as soon as possible to carry out a liver function test, to clarify the severity of the condition, and to take timely and targeted therapeutic measures, and to use medication under the guidance of the doctor, do not use medication on your own.