The normal reference value of ALT is 0-40U/L. 82U/L indicates mildly high ALT, which may be caused by physiological factors, such as strenuous exercise, overwork, high-protein diet, etc., or by hepatitis, myocarditis, biliary tract diseases, etc. The patient may also have a high level of ALT. Whether it is serious or not and the degree of difficulty in treatment should be analyzed according to the patient’s clinical symptoms as well as past conditions, and cannot be generalized. Physiological factors: If there is no symptom, the transient increase of 82U/L may be caused by mild damage to the liver due to strenuous exercise, high protein diet, sleep deprivation, high protein diet, alcohol consumption, etc. The indicator can be reduced to normal by adjusting the living habits and changing the diet structure in time, which is usually not serious. Pathological factors (1) viral hepatitis: more serious, can choose ribavirin, interferon and other antiviral drugs, indicators can also be reduced to normal. (2) Autoimmune hepatitis: a chronic liver disease caused by the immune system attacking liver cells. Immunosuppressants such as cyclosporine and glucocorticoids can be used to suppress autoimmunity. It is not easy to treat. (3) Fatty liver: with hepatocyte steatosis as the main pathological feature, including alcoholic liver disease, non-alcoholic fatty liver disease and special type of fatty liver. Reasonable diet should be taken to reduce the intake of fat and control the intake of dietary calories appropriately. Fenofibrate, atorvastatin and other lipid-regulating drugs can be chosen for treatment, and the indexes can also be reduced to normal. (4) Heart diseases: such as myocarditis, creatine phosphate can be used to improve the energy metabolism of the patient’s heart muscle. Improvement of heart function, the index can be reduced to normal. There are many other reasons for the elevation of ghrelin, such as malnutrition, biliary tract diseases, etc. It is recommended to consult a doctor in time to clarify the diagnosis and carry out targeted treatment. In addition, all of the above drugs should be taken under the guidance of a doctor and should not be used without authorization.