Liver function tests generally include total protein, albumin, globulin, total bilirubin, direct bilirubin, indirect bilirubin, alanine aminotransferase and glutamine aminotransferase, which are used to detect the presence or absence of hepatocellular injury, hepatocellular synthesis capacity and biliary obstruction. 1. Total protein: a general term for albumin and globulin, which have important physiological functions in the body. 2. Albumin: the most important protein in human plasma, reflecting the synthesis function of hepatocytes, mainly produced by the liver. 3. Globulin: can reflect a person’s immune function, also known as immunoglobulin. 4. Total bilirubin: It is the sum of direct bilirubin and indirect bilirubin, which can reflect the uptake, conversion, excretion by liver cells and the presence or absence of biliary obstruction. 5. Direct bilirubin: reflects the function of bilirubin excretion. 6. Indirect bilirubin: i.e. unconjugated bilirubin, if the value is elevated, it is considered to be related to hemolytic disease or hepatocellular injury. 7. Albumin transaminase: it exists in large quantities in the cytoplasm of hepatocytes, and it is a common and sensitive indicator for checking hepatocyte damage in clinical practice. 8. Glutamine aminotransferase: mainly found in the mitochondria of hepatocytes, elevated glutamine aminotransferase generally indicates severe damage to hepatocytes. If there is any abnormality in the eight liver function tests, you need to cooperate with your doctor to do further examination to clarify the cause of the disease.