Tinnitus in the right ear may be a clinical indication of the following diseases: 1. Neurological tinnitus, which is generally a symptom of insufficient blood supply to the inner ear, poor microcirculation in the inner ear, fluid accumulation in the vagus of the inner ear membrane, damage to the hair cells of the inner ear, etc. Clinically, patients may have hearing loss, stuffiness and other changes. Some patients may have symptoms of otitis media such as secretory otitis media, acute otitis media, chronic otitis media, etc. Some patients may have foreign bodies in the ear canal, earwax, or flying insects that stimulate the eardrum and induce tinnitus. 4. Some patients have abnormal opening of the eustachian tube, which causes tinnitus with the same frequency and rhythm as breathing. 6. Some patients have auditory neuroma, which induces tinnitus. 7. Some patients have diabetes mellitus, hypertension, arterial blood supply deficiency, etc., which induces tinnitus, or cerebral ischemic changes, which induces tinnitus.