AIM: To observe the effects of butterflybush flower eye drops at different concentrations on expression of inflammatory crtokines IL-1β, Mucin 5AC(MUC5AC) and P38MAPK in castrated male rabbits, and to explore the therapeutic effect of that drops on dry eyes. METHODS: Thirty-six male rabbits were randomly divided into blank group (A), model group (B), low concentrations butterflybush flower eye drops group (C, 1mg/mL), the medium concentrations drops group (D, 1.5mg/mL), the high concentrations drops group (E, 3mg/mL), and testosterone group (F...