Hazelnut is rich in nutrition. In addition to protein, fat and sugar, the nuts are also rich in carotene, vitamin B1, vitamin B2 and vitamin E; There are 8 kinds of amino acids needed by the human body in hazelnut, the content of which is much higher than that of walnut; The contents of various trace elements such as calcium, phosphorus and iron in hazelnut are also higher than those in other nuts. Hazelnut is rich in oil (mostly unsaturated fatty acids), protein, carbohydrate, vitamin E, minerals, sugar fiber β--sitosterol such as paleo sterol and antioxidant carbolic acid, as well as eight kinds of amino acids and trace elements required by human beings.