The normal range of values is about 0.8 to 1.5, and both are relevant in determining the extent of liver cell damage. Since glutamate aminotransferase is located in the cytoplasm of hepatocytes, glutamate aminotransferase is located in the mitochondria of hepatocytes. Therefore, only when there is severe hepatocellular injury or necrosis is there a significant elevation of glutamine aminotransferase, which may result in a ratio of glutamine aminotransferase to glutamine aminotransferase that is outside of the normal range. When the ratio of glutamic oxaloacetic aminotransferase to alanine aminotransferase is less than the normal range, there may be mild hepatocellular damage. And the higher the ratio of alachlor aminotransferase to alanine aminotransferase, the more severe the damage to the liver cells, mainly in patients with severe liver disease or even acute liver failure. When the ratio of AST to ALT is abnormal, it is recommended to consult a doctor for further examination and choose a reasonable treatment plan under the doctor’s comprehensive analysis.