Overview: Otitis media with effusion (OME) is the most common type of Otitis media (OM), especially in young children between 2-5 years. The main cause of this type is the decrease in ventilation of the middle ear, which creates purulent fluid. Several factors play a significant role in etiology as Eustachian tube dysfunction, adenoid hypertrophy and allergically causes, in addition to the immunological and metabolic disorders. The main symptom of (OME) is poor hearing, which may lead to permanent hearing loss if untreated. The traditional treatment of (OME) has not been successful in quite a number of cases. Aim of study: Evaluation of the effect of bite opening technique in management of chronic otitis media with effusion in children. Materials and Methods:This clinical study included 30 cases of otitis media with effusion. Ages of patients were between 2 - 10 years old, which were managed at the Auditory Clinics at Al-Assad University Hospital in Lattakia.