There are more causes of liver damage, the most common in our country are viral hepatitis, fatty liver, alcoholic liver, drug-related hepatitis, etc. We must exclude hepatitis B and C and improve abdominal ultrasound to see if there is fatty liver, which are the more common causes of liver damage. There are no health care products, Chinese medicine and drugs that damage the liver, which may lead to elevated transaminases. There are some situation-specific reasons to review liver function the day after strenuous exercise, which may also affect the results of glutathione transaminase.