The sound environment in life is closely related to our hearing ability, many modern people, especially young people, telephone, MP3, KTV long time use and patronage, so that their own long time in the high-intensity sound environment, if not controlled, will eventually make our hearing from adaptation to fatigue, and then cause irreversible hearing loss. So how to protect hearing has become a topic of concern for many people, I think you can play the role of hearing protection through diet. 1, to choose more iron-rich food attention to iron supplementation, can effectively prevent and delay the occurrence of tinnitus, deafness in the elderly. 45 years of age and above, we should pay attention to the iron supplement. Iron-rich foods mainly include nori, shrimp skin, jellyfish skin, black fungus, black beans, black sesame, cilantro, yellow cauliflower, etc. 2, to supplement the zinc-rich food Zinc is very small in the body, but its role is great. Research shows that nearly 1/3 of the elderly people suffering from tinnitus and deafness have a zinc deficiency in their bodies. People over 45 years old should ensure a daily intake of 15 mg of zinc in order to maintain the balance of zinc in their bodies. Foods rich in zinc include animal liver, coarse grains, nuts, eggs, sea cucumber, oysters, etc. 3. Pay attention to the supplementation of vitamin-rich foods Vitamin C and vitamin E have the function of improving the dismutase of the body, promoting the utilization of oxygen, improving the blood flow at the end, and can play the role of protecting the inner ear. These elements are mainly contained in a variety of green vegetables and citrus, walnuts, peanuts, as long as they are usually eaten often.