Abstract
A 58-year-old male suddenly developed left peripheral facial palsy. When he was 54 years old, he had experienced an episode of right facial palsy, which was healed by conservative therapy. This time his blood sugar level was 229 mg/dl, and urine sugar was high. He was treated with diet therapy for diabetes mellitus and conservative treatment for facial palsy, including steroid. His blood sugar level decreased, and his facial palsy gradually improved.