The main effects and functions of carotene are to maintain visual function, maintain the health of epithelial tissue cells, immune function, antioxidant effect, promote cell growth and differentiation. 1. Maintaining visual function: carotene decomposes into vitamin A. Vitamin A is a component of photoreceptors in the visual cells, which can satisfy the visual function of the human body in a dark environment. 2. Maintain the health of epithelial tissue cells: carotene produces vitamin A, which plays an important role in the normal formation, development and maintenance of epithelial tissue. 3. Immune function: carotene can enhance immune function by regulating cellular and humoral immunity. 4. Antioxidant function: carotene can capture free radicals and improve antioxidant defense. 5. Promote cell growth and differentiation: carotene decomposition of vitamin A, can promote cell growth and differentiation, can maintain the normal growth and development of bones. It should be noted that the lack of carotene and excessive carotene will have a certain impact on the human body, not randomly and blindly supplement carotene, it is recommended that a moderate intake of carotene can be.