Collect the details about hepatic dysfunctional patients induced by various etiology who have a usage of Glycyrrhizic Acid, then arrange and analyse the data to evaluate the clinical curative effect of glycyrrhizic acid.

This experiment will screen and collect qualified cases from medical records in Shuguang Hospital.to collect the patients with liver injury in clinic, including (1) conforms to ALT>1.5 times the normal value or >70 IU/L, age 18 to 70 years of age, sex is not limited; (2) patients with viral hepatitis or cirrhosis of the liver, or autoimmune liver disease, or schistosomiasis, or drug-induced liver damage, or for other reasons clear or unclear leading to abnormal liver function ; (3) except for tumor patients. The index of liver function such as ALT, AST, Alb, et al are detected respectively before and after preventive treatment of the glycyrrhizic acid for liver injury ,and through the synthesizing of the single sample difference t test and clinical practice to analyze the clinical efficacy of glycyrrhizin intervention treatment of hepatic injury

Inclusion Criteria:

1. conforms to ALT>1.5 times the normal value or >70IU/L, age 18 to 70 years of age, sex is not limited;
2. patients with viral hepatitis or cirrhosis of the liver, or autoimmune liver disease, or schistosomiasis, or drug-induced liver damage, or for other reasons clear or unclear leading to abnormal liver function ;

Exclusion Criteria:

1. patients with tumor;
2. pregnant or lactating women, and pregnancy may not take effective contraceptive measures;
3. complicated with serious heart, lung, gallbladder, kidney, endocrine, hematopoietic system and mental disease;
4. the researchers think that should not be selected for this test.

This experiment will screen and collect qualified casefrom medical records in Shuguang Hospital.to collect the patients with liver injury in clinic, including (1) conforms to ALT>1.5 times the normal value or >70IU/L, age 18 to 70 years of age, sex is not limited; (2) patients with viral hepatitis or cirrhosis of the liver, or autoimmune liver disease, or schistosomiasis, or drug-induced liver damage, or for other reasons clear or unclear leading to abnormal liver function ; (3) except for tumor patients.