Walnuts contain a full range of nutrients, first of all, walnuts are rich in fat, every 100 grams of walnut kernels containing 60-70 grams of fat, the main component of linoleic acid glycerol lipids, mixed with a small amount of linolenic acid, oleic acid glycerol lipids. These unsaturated fatty acids can provide nutrients and help improve serum albumin, while reducing serum cholesterol, preventing vascular sclerosis, hypertension, coronary heart disease. Secondly, walnuts are the best brain food. In addition to linoleic acid glycerol for the brain matrix needs, walnuts contain trace elements such as zinc, manganese, etc. are important components of the pituitary gland, eating walnuts helps to supplement the brain nutrition, play a role in brain puzzle. Third, the walnut protein content is high, up to 15% to 20%, good quality, essential amino acids are available, which determines the role of walnut nourishment and strengthening. Fourth, walnuts are rich in vitamins and minerals, especially vitamin E and calcium, phosphorus, catalpa, manganese, chromium and other minerals, with anti-aging and anti-aging effect, so regular consumption of walnuts can slow down the aging process and promote health.