In addition to those born with dark skin, skin that is not white and yellow is mostly related to factors such as dysregulation of the body’s qi and blood and disorders of the internal organs. Therefore, whitening should not only focus on external skin whitening care, but also emphasize internal treatment and internal regulation, which can be regulated by consuming foods high in vitamins, trace elements and cystine, and also by consuming medicinal meals. 1, high vitamin foods: such as kiwi, tomatoes, cherries, strawberries, cucumbers, lemons, etc., with high vitamin content, containing vitamin C, vitamin E, etc. These nutrients Has a certain effect of internal whitening to yellow gas; 2, high trace elements food: such as asparagus, beets, enoki mushrooms, etc., these foods contain selenium, zinc, copper, iron and other trace elements, with the role of free radicals, antioxidant, consumption is conducive to improving the skin yellowing condition, so that the skin looks fairer; 3, high cystine food: such as corn, oats, black beans, soybeans, peanuts, sunflower seeds, etc. Cystine content is high, the nutrient has the role of improving the body’s detoxification ability, conducive to promoting the metabolism of toxins in the body, to improve the skin yellowing, whitening has a certain auxiliary effect; 4, other: such as chrysanthemum, silver fungus, milk, ginseng, bird’s nest, poria, dahurica, etc. cooked into a medicinal meal, the appropriate amount of consumption can make the blood gradually full of Qi, so as to achieve the purpose of whitening, de-yellowing. In addition, you can take vitamin C, vitamin E and other nutrients orally under the guidance of a doctor if necessary to promote fair skin.