Orbital cellulitis is a frequent disease which is caused by direct extension to the orbit from an infected eyelid, teeeth, paranasal sinus, and penetrating trauma or operation or systemic disease which spread to orbit via blood stream, but rare from the nasal vestibular furuncle. Recently, the authors have experienced a case of orbital cellulitis that was suspected to be caused by nasal vestibular furuncle. The patient, -year-old baby, visited to our emergency room on January 7, 1986 with the chief complaints of high fever and reddish swelling of Rt. upper eyelid followed by nasal vestibular furuncle and present this case with review of literature relating to orbital cellulitis.