The normal reference value of alanine aminotransferase in liver function is between 0-40U/L, within this range, the patient’s aminotransferase is considered normal. However, if the patient’s aminotransferase exceeds 40U/L or more, it is necessary to determine what causes the patient’s aminotransferase to rise based on how much the patient’s value exceeds and whether it is combined with the elevation of bilirubin. The most common cause, the patient in the week before the blood test, there are drinking, medication, late night, tired and depressed mood, will cause the patient’s liver function abnormalities, as well as liver cell necrosis, caused by glutamic acid, glutamic oxaldehyde transaminase elevation, but this is considered functional, transient damage, as long as positive attention to change the daily life habits. And if necessary, take some drugs to reduce aminotransferases, such as bisabolol tablets and biphenyl dibenzoate drip pills, will slowly return to normal in about 7-10 days. In addition, for patients with hepatitis, if there is an increase in ghrelin and ghrelin aminotransferase, which is combined with viral replication, it is considered that the patient is in the window period of viral replication, and it is necessary to actively consider antiviral therapy and hepatoprotective therapy.