Alanine aminotransferase 74 needs to be treated with hepatoprotective therapy, and the cause can be identified and targeted. Alanine aminotransferase is an important indicator of liver function, indicating liver function is impaired, a variety of diseases may occur transaminase elevation. A transaminase of 74 indicates mild impairment of liver function, and can be treated with drugs such as diammonium glycyrrhizinate enteric-coated capsule or compound glycyrrhizin tablets, reduced glutathione tablets, and so on, to protect the liver. The causes of liver damage are particularly numerous, such as hepatitis B, hepatitis C, fatty liver, autoimmune liver disease, alcoholic liver, cirrhosis, liver ischemia, etc. It is necessary to go to the hospital to find out the causes of transaminase elevation, and then targeted treatment to avoid aggravation of the disease and delay in treatment.