Walnuts are rich in nutritional value, containing fat, amino acids, carbohydrates and minerals. 1. Fat: each hundred grams of walnuts contain about 65 grams of fat, can supplement the human brain and visual function development of oleic acid, linoleic acid, linolenic acid. 2. Amino acids: walnuts contain essential amino acids, such as methionine, valine, lysine, isoleucine, phenylalanine, leucine, tryptophan, threonine, and histidine, which are indispensable for the human body. 3. Carbohydrates: each hundred grams of walnuts contain about 13 grams of carbohydrates, which can replenish energy for the human body in a timely manner. 4. Rich minerals: 100g of walnuts contain potassium 237mg, calcium 57mg, zinc 6.42mg and other minerals, which can provide the body with a wealth of minerals, balanced human health. In addition, walnuts also contain vitamin E, vitamin K and a variety of B vitamins, which can provide the body with rich and comprehensive nutrients, beneficial to human health.