Beautiful hair is a symbol of health and one of the most cosmetically effective signs on people. That’s why everyone wants to have a dark and shiny hair. Hair growth requires a variety of nutrients, and a reasonable diet is an important factor in supplying hair nutrients, so attention should be paid to choosing foods that are good for hair growth. Protein is the basis for hair growth and is the basis for having beautiful hair. Protein is absorbed by the gastrointestinal tract to form various amino acids, which are absorbed by the hair papillae at the root of the hair after entering the bloodstream to synthesize keratin. Protein is divided into two categories: plant protein and animal protein: 1, rich in plant protein foods are: soybean products – soybean chips, tofu, soybean skin, dried beans, soy milk, tofu brain, bean curd, bean sprouts, etc.; and peanuts, sesame, corn and other foods. 2. Foods containing animal proteins include: various livestock, poultry, seafood, freshwater products, eggs, liver, milk, cheese, etc. Trace elements play an important role in maintaining the health of the hair, can neutralize the body is not conducive to hair growth of acidic substances, so that it becomes non-toxic substances out of the body. Calcium, magnesium, sodium, potassium and other alkaline inorganic salts are mostly rich in green vegetables; coarse grains, such as black rice, purple glutinous rice, red fragrant rice, black millet, etc. are also rich in trace elements, and the darker the color, the higher the content of trace elements. Nuts, such as walnuts, hazelnuts, sesame seeds, peanuts, etc., are rich in zinc, iron, manganese, selenium and many other elements. Aquatic products are a good source of almost all trace elements, seafood is particularly rich in iodine and selenium, with shellfish, mollusks, etc. having the highest trace element content. Vitamins are important active substances to keep hair healthy, and their role in the body is indispensable, although their content is small. Vitamin A can promote sebaceous glands to secrete healthy sebum, vitamin C has antioxidant effect and the ability to regulate sebaceous glands to secrete oil, vitamin E can promote scalp microcirculation, and vitamin B6 has the role of preventing gray hair and promoting hair growth. Carrots, spinach, almonds, mangoes and other fruits and vegetables and animal liver, fish and shrimp, eggs contain more vitamin A. Vitamin B6 and vitamin E are found in cereals, peanuts, beans, bananas, yeast, honey, celery, goldenseal, black sesame, eggs and dairy products. There are many various fresh vegetables and fruits rich in vitamin C, such as kiwi, cantaloupe, green pepper, cucumber, tomato, cabbage, fresh dates, raw pears, oranges, coconut, grape juice, orange juice, strawberries, red dates, etc.