The particularly important nutrients in nuts are vitamin E, various B vitamins, various minerals such as iron, zinc, calcium and magnesium, and a certain amount of protein. These substances help people to resist the cold in winter. Among them, calcium has a certain relationship with human body's heat production capacity, iron helps human body transport oxygen to ensure normal biological oxidation, and taking enough vitamin E from seed food is beneficial to ensure smooth blood circulation. Strong heat production, good blood circulation, the human body is not easy to get cold hands and feet.