The present invention relates to the technical field of medicine. Provided is a drug for treating hepatic fibrosis. According to the present invention, by evaluating the activity of a compound, i.e., kinsenoside, in treating hepatic fibrosis, it is found that the compound is able to effectively inhibit development of the hepatic fibrosis and produce, in vivo, the activity of reducing expression of fibrosis marker genes, improving liver functions, ameliorating oxidative stress injuries and reducing secretion of inflammatory factors, and can be used as a lead compound in development of a drug for treating the hepatic fibrosis.