Headache is one of the most frequent discomforts in human. Its significance is often abstruse, as it may signal serious disease or represent only tension, fatigue, or a migrainous disorder. The International Headache Society(HIS) has developed a new classification and definition system of headache. Retropharyngeal tendinitis is an accepted cause of headache in the list of HIS classification. We experienced an reported a case of retropharyngeal abscess with severe occipital headache.