The vague pain in the liver area may be caused by the following reasons: i. It indicates that there is currently hepatitis activity, which is manifested by elevated transaminases, commonly seen in hepatitis B, hepatitis A, hepatitis E, alcoholic hepatitis, etc.; ii. Fatty liver disease, even if the liver function is normal, but because of the swelling of liver cells there will be discomfort in the liver area; iii. Occupational lesions of the liver, such as liver cancer; iv. The liver of those who stay up late for a long time does not get rest, or The liver is in a state of relative ischemia and hypoxia after strenuous exercise, which can cause liver pain and discomfort; v. It can be seen after anger. According to Chinese medicine, the liver meridian qi passes through the liver area, after getting angry, the liver qi is not relieved, and the meridian qi does not pass through, then the pain will be manifested as vague pain in the liver area.