GPT and medical procedure: To clarify the protective effect of JGST on liver, the previous studies had observed that JGST can reduce the abnormal increase of liver function enzymes ALT and AST and improve the pathological injury of liver tissue in different liver disease models through acute chemical liver injury model (CCl4, d-galactosamine), acute immune liver injury model (ConA), acute drug-induced liver injury model (APAP), acute alcoholic liver injury model and chronic liver injury model (CCl4).