Eating nuts can replenish nutrients such as protein, oil, minerals, vitamins and starch. Nuts are foods with hard skins containing one or more seeds, including walnuts, chestnuts, cashews, pistachios, lotus seeds in the tree nut category and peanuts and sunflower seeds in the seed category, which are the essence of plants. Nuts are generally rich in nutrients, especially high in protein, oil, minerals, vitamins, of which chestnuts, lotus seeds are high in starch, the rest are basically rich in oil. Nuts are rich in lipids and polyunsaturated fatty acids, protein, moderate consumption helps cardiovascular health. Nuts also belong to the high-energy food, overconsumption will increase the total energy intake, resulting in excess energy, causing obesity, long-term overconsumption is harmful to the body.