The possible causes of tinnitus in the right ear include otitis media, sudden deafness, tumors of the internal auditory canal, and trauma. 1. Otitis media: acute secretory otitis media or chronic otitis media causing tympanic membrane perforation, cholesteatoma formation, etc., will have a certain impact on hearing conduction, causing tinnitus. 2. Sudden deafness: and often stay up late, fatigue, and immune system abnormalities, can also lead to tinnitus, and some will be accompanied by hearing loss. 3. Tumor in the internal auditory canal: Tumor in the internal auditory canal compresses the auditory nerve and affects the nerve conduction, which also affects the tinnitus symptoms. 4. Trauma: Trauma may cause tympanic membrane perforation, fracture, and affect the condition of the eustachian tube, which may cause tinnitus. In addition, the sclerosis of the auditory chain or prolonged noise stimulation can also lead to tinnitus; the emergence of severe tinnitus, affecting the normal living conditions, need to consult a doctor in a timely manner and systematic examination, to determine the cause of the disease, and then do standardized treatment.