In general, the normal reference range of ALT is 0-40 U/L (the specific reference range varies according to different measurement methods, subject to local hospitals). 117 U/L suggests that ALT is elevated, while AGT is normal, which is considered to be caused by minor liver damage caused by alcohol and other causes. Albumin and aminotransferase can be found in the liver, heart muscle, skeletal muscle and other tissues. Glutaminase is found mainly in the cytoplasm of liver cells, while glutaminase is found mainly in the mitochondria of liver cells. When liver cells are affected by alcohol, late night, pyrazinamide and other drugs that cause mild liver damage, part of the hepatocyte cytoplasm breaks down while the mitochondria remain undamaged, resulting in the release of ALT into the bloodstream but not ALT or a small amount of ALT, which leads to the elevation of serum ALT while ALT is in the normal range. The increase of ALT but normal AST may also be caused by cardiovascular diseases such as myocarditis, and it is recommended to consult a doctor for a clear diagnosis and targeted treatment.