f amino acids, its content is far higher than walnut; Hazelnuts contain more trace elements such as calcium, phosphorus and iron than other nuts. In addition, it can also produce very precious wood, its wood hard, texture, color beautiful, can be a small joinery material; Some varieties can be used as vegetation restoration and landscaping trees. Hazelnuts are rich in oils (mostly unsaturated fatty acids), proteins, carbohydrates, vitamins (vitamin E), minerals, sugar fiber, special ingredients