1. To reduce the intake of fatty foods in large quantities, it will increase blood lipids, increase blood viscosity and cause arteriosclerosis. The inner ear is most sensitive to blood supply disorders, and when blood circulation disorders occur, it can lead to a lack of nutrition in the auditory nerve, which can produce deafness. The total daily fat intake of middle-aged people should be controlled at about 40 grams, and they should eat less of various animal offal, fatty meat, cream, egg yolk, caviar, fried food and other foods rich in lipids. 2, eat more iron-rich food iron deficiency is prone to harden red blood cells, reduce the ability to transport oxygen, inadequate supply of nutrients to the ear, can make the hearing cell function is impaired, resulting in hearing loss. Iron supplementation, on the other hand, can effectively prevent and delay the occurrence of tinnitus and deafness in middle-aged and elderly people. The daily intake of iron should not be less than 12 mg for people over 45 years old, regardless of gender. Commonly used foods, nori contains more iron, 46.8 mg of iron per 100 grams of nori, shrimp skin 16.5 mg, jellyfish skin 17.6 mg, black sesame 26.3 mg, yellow cauliflower 12.6 mg, black fungus 11.9 mg, amaranth 10.5 mg, parsley, wood ear vegetable iron content second only to amaranth, soy products average iron content of about 4 to 6 mg. 3.Eating more food containing zinc causes tinnitus and deafness in middle-aged and elderly people, and zinc deficiency is an important reason. The content of zinc in the cochlea is considerably higher than that in other organs. The zinc content in the cochlea is significantly lower in elderly people over 60 years old, which affects the function of the cochlea and leads to hearing loss. You should eat more zinc-rich foods such as fish, beef, chicken, eggs, various seafood, apples, oranges, walnuts, cucumbers, tomatoes, cabbage, radishes, etc. every day. 4, often eat food with blood activation effect blood activation can expand blood vessels, improve blood viscosity, which is conducive to maintaining the normal microcirculation of small blood vessels in the ear. You can often eat black fungus, leek, red wine, yellow wine, etc. 5, make a habit of drinking milk milk contains almost all known vitamins to vitamin A, vitamin D, vitamin B1, vitamin B2, vitamin B6, vitamin B12, vitamin E and carotene.