Transaminase 300U/L mostly occurs in patients with liver injury caused by various reasons, usually hospitalized for ten days to a month or so can be reduced, depending on the individual. Aminotransferase is a collective term for glutamic aminotransferase and glutamic aminotransferase. Clinically, patients’ liver function is generally assessed by checking their serum aminotransferase levels, and 300U/L aminotransferase indicates that the patient’s liver has been damaged due to a variety of reasons, which may be viral hepatitis, alcoholic liver injury, or drug induced liver injury, etc. It usually takes about ten days or one month of hospitalization to bring down the aminotransferase level and restore it to normal. If you have a long history of liver disease, alcohol abuse during treatment, taking drugs that damage the liver, etc. will delay the decline in aminotransferases, actively cooperate with the physician to take appropriate measures to address the cause of the disease, which will help to restore health more quickly.