There is no special provisions for men to eat a few walnuts a day is good, under normal circumstances the average person to eat 2 to 5 walnuts a day is better. Walnuts are a kind of nuts with high nutritional value. Walnuts are rich in protein, fat, vitamins and so on. Take pecans as an example, each 100 grams of pecans contain 616 calories, of which 18.0 grams of protein, 50.4 grams of fat, 26.2 grams of carbohydrates, 7.4 grams of dietary fiber, vitamin E65.55 mg, potassium 237 mg, calcium 57 mg, zinc 6.42 mg. So walnuts contain a lot of calories as well as high-quality fats, mainly unsaturated fatty acids, and are also rich in vitamin E, potassium and zinc, which can be used as a food source of these nutrients. Walnuts are rich in nutrients, and in general, eating 2 to 5 walnuts a day in moderation (less than 15 grams) can meet the body’s nutritional needs, which is beneficial to human health. People who are allergic to walnuts are prohibited from using walnuts to avoid triggering allergic reactions. People with abnormal lipid metabolism should eat walnuts with caution. Walnuts also have a high content of fat and carbohydrates, which are high-energy foods. Walnuts can be eaten directly or fried dishes, including walnut fried diced meat, sesame walnut kernels, amber walnuts, salt and pepper walnuts. Eat walnuts need to be moderate, avoid overeating, so as not to cause adverse reactions, long-term excessive consumption is likely to lead to obesity. Walnuts are prohibited for those who are allergic to walnuts.