Walnuts as a food do not have any therapeutic effects. Walnuts, also known as walnuts and qiangtao, are a nutritious nut food. Walnuts have high nutritional value and are rich in protein, fat, vitamins, calcium, phosphorus and iron. In addition, walnuts are rich in vitamin B and vitamin E. 100 grams of dry walnuts contain 646 calories, 19.1 grams of carbohydrates, 14.9 grams of protein, 58.8 grams of fat, 9.5 grams of fiber. Walnuts contain more protein and human nutrition necessary unsaturated fatty acids, these nutrients are brain tissue cells metabolism of important substances needed to nourish brain cells. And walnuts contain proteins, vitamins and other ingredients, for cell metabolism are beneficial. Walnuts are nutritious and beneficial to the body, but consumption should be in moderation, excessive diet will have a negative impact on the body, excessive consumption of walnuts, may cause sore throat, constipation, etc., long-term overconsumption may also cause obesity. People who are allergic to walnuts should not consume walnuts.