One of the most important ways for people to connect and communicate with each other is through hearing, but as we grow older, many older people may have this experience: regular tinnitus, “can’t hear in a low voice, can’t hear in a loud voice”, if older people have this situation is likely to begin to step into the If you have this condition, you are likely to be on the verge of “senile deafness”. In fact, senile deafness is a very common sensorineural deafness, with the accelerated industrialization of modern society, especially in cities with heavy noise pollution, about 1/3 of elderly people over 65 years old have hearing loss, of which 25 – 30% have hearing impairment between 65 and 74 years old, and more than 75 years old About 45–50% of the elderly have hearing loss. In Japan, the proportion of elderly people with hearing loss almost doubled from 1965 to 1994, mainly due to reduced sensitivity to sound, difficulty in locating sound in noisy environments, difficulty in hearing what people say, and the aforementioned inability to hear in a low voice or a loud voice, and inability to understand what people are saying. Once the hearing loss, the elderly social activities will be affected, emotions will also be affected, personality becomes more and more withdrawn, eccentric, physically and mentally affected to a certain extent, often feel depressed, lonely, low self-esteem and fear of interaction with others, prone to dementia? s disease, which eventually affects the quality of life. The causes of senile deafness are multifaceted. It may be related to genetics, external environmental factors and some common age-related diseases. In fact, deafness is a normal physiological phenomenon for elderly people who have reached a certain age, so there is no need to be alarmed, but there are some conditions that need to be taken care of in daily life, such as hypertension, diabetes, arteriosclerosis and other diseases, which often lead to insufficient blood supply to the inner ear and cause sudden deafness, so patients with these diseases need to control these diseases and keep them in a basic stable state. The Japanese scholars found that the hearing loss of elderly people who smoked for a long time was probably related to smoking, especially those who smoked more than one packet a day, because while smoking, carbon monoxide and nicotine were inhaled into the body, causing spasm of the microvasculature supplying the cochlea, thus causing ischemia and hypoxia in the cochlea and reduced inner ear function. Another factor that can easily lead to hearing loss is noise pollution or noise damage, and it is best for the elderly to stay away from such occasions to avoid adding to the already declining hearing; the fourth point is about The fourth point is about the daily diet, should be as light as possible, not too greasy, so as not to lead to high blood fat, high blood pressure and arteriosclerosis, which can damage the hearing; last point, in the elderly sickness medication, as far as possible to avoid the use of some ototoxic drugs such as gentamicin, kanamycin, streptomycin, etc.. Among the elderly deaf patients, most of them can improve their hearing and cognitive ability through hearing aids. A foreign study showed that only 4.5% of people with hearing loss wear hearing aids, and 89.3% of people with age-related deafness do not want to wear hearing aids for various reasons – even though hearing aids can improve the hearing of this group of patients (more than one-third of people over 65 years of age). Of course, hearing aids need to be professionally fitted to determine whether to wear them unilaterally or bilaterally, and which type or model of hearing aid to wear. Generally speaking, people with an average loss of 35-85dB in speech frequencies can use them. If the hearing loss is similar in both ears, they can wear both hearing aids or rotate them in both ears. If the difference in hearing loss between the two ears is large and does not exceed 50dB, the hearing aid should be worn in the poorer ear, and if the hearing loss on one side exceeds 50dB, it should be worn on the better side. With the technical improvement and enhancement of hearing aid products, many hearing aid products have been changed to digital in recent years. Digital programming products can avoid excessive amplification and reduce the amplification of environmental noise at the same time. With the help of appropriate hearing aids, elderly people with hearing loss can return to their former social circle and participate in family and social interactions.