Elderly people who are deaf should be scientifically selected to wear hearing aids if their hearing loss meets the indications after examination. With age, some elderly people’s hearing will deteriorate, if the elderly hearing loss affects the hearing function, resulting in life inconvenience, can be fitted with suitable hearing aids. Hearing aids can amplify the sound of the outside world and transmit it to the patient’s ear, which is very helpful for the deaf elderly to communicate in their daily life, and can effectively improve the hearing of the elderly. Some in-ear hearing aids, if worn for a long time, may lead to inflammation of the ear canal. Sometimes it can also lead to cerumen blockage of the ear canal, resulting in otitis media. If the hearing aid is not suitable, it may lead to a series of adverse reactions. Therefore, when choosing hearing aids, it is important to go to a professional organization, which can ensure the standardized use of hearing aids. After wearing hearing aids, if you feel any discomfort, you should consult a doctor for examination.