The appearance of deafness and tinnitus is often not entirely purely a matter of the ear, it will have a variety of causes, it can be caused by natural physical aging, it can also be caused by ear, brain, systemic diseases or, noise damage, abnormal psychological state can also lead to tinnitus. 1.Ear diseases: Ear diseases that lead to deafness and tinnitus include otitis media, otosclerosis, auditory chain malformation, sudden deafness, Meniere’s disease, etc. When, in most cases, there will be deafness accompanied by tinnitus, there are also cases of only deafness or tinnitus. 2, brain causes: some intracranial diseases, such as auditory neuroma, cerebrovascular lesions can also lead to tinnitus. 3.Drug poisoning: Misuse of some drugs may lead to drug poisoning, which at this time will stimulate human body functions, and the ears will be affected, and deafness and tinnitus are more common. 4, systemic diseases: hyperthyroidism, anemia, insomnia or some autoimmune diseases can also lead to tinnitus. 5.Noise damage: Noise can cause temporary or permanent hearing loss, which can lead to tinnitus. Young people who work in high-intensity noise environment or wear headphones for a long time need to consider the possibility of noise causing tinnitus. 6.Age: Aging can lead to deafness and tinnitus, and many elderly people will have deafness and tinnitus, and often have the phenomenon of hearing voices that cannot be heard. Deafness and tinnitus in the elderly is better with hearing aids or cochlear implants. 7. Psychological problems: anxiety and depression can also manifest as tinnitus. In conclusion, there are many causes of deafness and tinnitus, and patients need to seek timely medical attention.