Kesile (Thiopronin for Injection) is a drug that has a protective effect on liver tissue and should be used as prescribed by a doctor. Thiopronin for Injection has the effect of protecting liver tissues and cells and is used to improve liver function in acute and chronic hepatitis. It can be used for detoxification of fatty liver, drug-induced liver injury, alcoholic liver, heavy metals; prevention of peripheral leukopenia caused by radiotherapy. It can also be used to reduce adverse reactions caused by radiotherapy, for senile early cataract and vitreous clouding. Adverse reactions to Thiopronin for Injection include allergic reactions, granulocyte deficiency, proteinuria, abnormal taste, abdominal pain, nausea, vomiting, diarrhea, rash, and itchy skin. It is contraindicated in people who are allergic to the product, severe hepatitis, intractable ascites, gastrointestinal bleeding, renal insufficiency combined with diabetes mellitus, children, mercury poisoning, acute severe lead, pregnant women, breastfeeding women, thrombocytopenia, granulocyte deficiency, aplastic anemia and other people. The drug should be used under the guidance of a doctor.