Objective To observe the irritability of Muan ointments on eyes in rabbits and research the best formula of the ointments, nehtods The 20 rabbits, divided randomly into 5 groups, 4 rabbits per group, were treated respectively with Muan1, Muan2, Muan3(in 3 different doses of honey mixed with acyclovir and matrix respectively), ACV(3% Zovirax ophthalmic ointment) and matrix (placebo) respectively, three times a day in 4 days. The ocular stimulation and the stimulating degrees in all eyes were measured in the treating period and in 3 days af...