Tinnitus in the right ear may be caused by cerumen impaction, secretory otitis media, sudden deafness, acoustic neuroma and other diseases. 1. Right cerumen impaction: Excessive cerumen secretion or impaired cerumen discharge leads to cerumen impaction, which may cause tinnitus, stuffy feeling in the ear and hearing loss. 2. Right secretory otitis media: Eustachian tube dysfunction leads to fluid accumulation in the middle ear cavity, resulting in tinnitus and ear stuffiness, manifested as tinnitus in the right ear. 3. Right sudden deafness: sudden sensorineural deafness of unknown cause. Sudden deafness in the right ear is characterized by hearing loss and tinnitus in the right ear. 4. Right acoustic neuroma: a neurilemmoma of Schwann cells originating from the vestibular or cochlear branch of the auditory nerve. It manifests as tinnitus, hearing loss, vertigo and other symptoms in the right ear. In addition, the right ear external auditory canal foreign body, otosclerosis and other reasons can trigger tinnitus in the right ear, its causes are more, it is recommended that the patient timely hospital consultation, diagnosis and treatment.