Pig liver contains vitamins: 1, vitamin A, vitamin A can promote vision, especially dark vision levels, in the relief of visual fatigue is very obvious. At the same time, vitamin A can also prevent excessive keratinization of the skin, allowing the skin to become smoother and more delicate. 2, vitamin B2, also known as riboflavin, can be very good protection of the skin, in the prevention of oral reproduction syndrome, that is, in the prevention of inflammation of the skin mucous membranes such as lingual inflammation, stomatitis, dermatitis, scrotal inflammation, the pig’s liver contains vitamin B2 can play a very good role.