Walnut can prevent cell aging, strengthen brain and enhance memory. 1 kg walnut kernel is equivalent to 5 kg eggs or 9 kg milk. Protein contained in it contains lysine, which is extremely important to human body, and is extremely beneficial to the nutrition of cranial nerves. Experts pointed out that making walnuts into walnut dew has a high absorption rate and can play a health care role. It should also be useful for people who often use their brains to drink more walnut drinks.