Alanine aminotransferase 56.5 U/L is usually abnormal and can be caused by either physiologic factors or disease. Normal values for alanine aminotransferase range from 0 to 40 U/L, and 56.5 U/L is considered high alanine aminotransferase. It may be caused by physical reasons, such as strenuous exercise, staying up all night, or it may be high during pregnancy, which usually returns to normal gradually and does not require special treatment. However, if alanine aminotransferase is persistently elevated, it is often caused by diseases, mostly seen in some liver diseases, such as alcoholic hepatitis, fatty liver, chronic hepatitis B, drug liver damage, etc., and possibly gallbladder diseases, such as cholangitis and cholecystitis. If you exclude the physiological causes of alanine aminotransferase elevation, you should go to the hospital in time for a detailed examination, identify the causes and then actively receive treatment.