Objectives: investigate the clinical and paraclinical features of parapharyngeal space (PPS) tumors. Subjects and methods: retrospective and prospective cases reports: 85 patients diagnosed PPS tumor at Cho Ray Hospital from 1st Jan 2008 to 31th May 2013. Results: The incidence of PPS tumor is 2.23% of head and neck tumors, and the recurrence rate is 5.9%.