? Objective:To investigate the therapeutic effect of ginsenosid monomer G Rs 3 on herpes simplex virus keratitis (HSK).Methods:HSK in rabbits was induced and recovery level of HSK was dynamically observed under slit lamp.Results:The results showed that experimental HSK could be cured by G Rs 3.Conclusion:G Rs 3 is a prospective drug in treatment of HSK infection. 〔