Biphenyldiphenyl tablets are used for the treatment of chronic prolonged hepatitis with abnormal alanine aminotransferase elevation; they are also used for the treatment of chemical-induced alanine aminotransferase elevation. The drug is an intermediate in the synthesis of pentosidine, which reduces carbon tetrachloride-induced liver damage and elevated alanine aminotransferase. Adverse reactions such as mild nausea and skin rashes may occur when taking the drug, which is contraindicated in people who are allergic to the product, cirrhosis of the liver, pregnant and lactating women. When using this drug, it should be noted that a small number of patients can rise in the course of using the drug, and increase the dose can be reduced; after stopping the drug, some patients can rebound glutamine transaminase, but continue to take the drug is still effective; individual patients in the course of taking the drug can be jaundice and deterioration of the condition, then you should stop taking the drug immediately. The drug needs to be used under the guidance of a doctor, do not use the drug without authorization.