One male Arabian horse, 5-year-old, reared in Gort, Co Galway, Ireland was diagnosed as conjunctivitis. Acupuncture and aquapuncture with dexamethasone were done at BL01, BL02 and ST01, twice a week, and oculo-acupuncture was done into Shangjiao area using with oculo-acupuncture needle for human use. At session 3, there were no lacrimation, ocular discharge and hyperemia in the eye. The present patient was a case with equine conjunctivitis which showed favorable therapeutic response by acupuncture treatment.