Low aspartate aminotransferase is usually not a problem and is normal. Aspartate aminotransferase is actually commonly known as glutamate aminotransferase, which is found in the mitochondria of cardiomyocytes and hepatocytes, and its normal value is 0-40 micrograms per liter. If it is higher than 40 micrograms per liter, it may indicate liver tissue damage. If it is lower than normal, it has no particular clinical significance and indicates that the liver is functioning well. If AAT is always at a low level, it may be related to diet, you can eat more fish, meat, eggs, milk and other nutrient-rich foods in your daily diet, and strengthen physical exercise in your life. If you have low aspartate aminotransferase, you should go to the gastroenterology department of the hospital in time if you feel unwell, and pay attention to the regular review of liver function.