As a kind of hepatoprotective drug, reduced glutathione is widely used in infectious disease, hepatology and hepatobiliary surgery, and its main functions: First, it is mainly applied to various liver damage and liver diseases, especially for liver damage caused by hepatitis or liver function damage caused by alcoholic hepatitis and drug-related hepatitis. It is generally used in combination with drugs for the treatment of diseases, and has a protective effect on liver function damage caused by drugs. Secondly, it can be used for the auxiliary treatment of heavy metal and organophosphorus poisoning. Thirdly, it is also used as an adjunctive therapy for the prevention and treatment of radiation damage and blood system diseases. Fourth, recent studies have found that it can be used for facial pigmentation, sweat spots, and other skin diseases. For elderly cataract patients, its eye drops can also be used for the treatment of eye diseases.