Carotene is converted into vitamin A when it enters the human body, and its role mainly includes improving eyesight, enhancing immune function and antioxidant. 1. Improve eyesight: carotene can be converted into vitamin A, protect the retina, can promote the synthesis of retinal purplish red quality, improve the dark adaptation ability of the eyes, assist in the treatment of myopia and can prevent dry eye, night blindness and corneal ulcers. 2. Enhance immune function: carotene can be converted into vitamin A, can promote glycoprotein synthesis, is the main substance essential to immunoglobulin, can increase the amount of immunoglobulin in body fluids, enhance resistance and immunity. 3. Antioxidant: carotene can be converted into vitamin A, which can promote the synthesis of glycoprotein. Carotene into the gastrointestinal decomposition, can be converted into vitamin A, with antioxidant effect, can remove harmful free radicals.