Many women, after 30 years old, find that their cheeks gradually fly up with “butterflies”, black or brown spots densely covered cheeks, looking like the wings of a butterfly, this is what we often call chloasma, also known as butterfly spots. Why is it easy for women to have melasma after 30 years old? A woman’s life is divided into different stages by 7 years old, 7 years old kidney qi is gradually flourishing, 14 years old kidney qi is mature, 21-28 years old is the most flourishing period of a woman’s life, after 35 years old kidney qi begins to decay, that is to say, 35 years old is the turning point of a woman’s kidney qi from flourishing to decaying, during this period, women appear natural signs of aging, the most common performance is haggard face and long spots. The essence of spots is pigmentation in the skin, the face becomes darker and darker. Black is the color of the kidneys, and darkening of the face is a sign of kidney deficiency. The five colors of green, red, yellow, white and black are wood, fire, earth, gold and water, and the five organs of liver, heart, spleen, lung and kidney are wood, fire, earth, gold and water. The prevention and control of melasma should be done from daily basis, the effect of dietary regimen is good. 1.Mulberry leaves Buy old mulberry leaves in winter from pharmacies, decoct them and eat them twice a day for a long time, the effect of improving face color, removing chloasma and eliminating facial spots is very significant, just like “silkworm baby molting”. 2.Potato Cut the potato into very thin slices and paste it on your face. Twenty minutes after uncovering and washing, long-term persistent use can lighten freckles, melasma, pigmentation, not only good, and affordable, and safe, and effective. 3, kiwi kiwi has been described as a “fruit gold mine”. Rich in dietary fiber, vitamin C, vitamin B, vitamin D, calcium, phosphorus, potassium and other trace elements and minerals. Kiwi vitamin C can effectively inhibit the oxidation of dopaquinone in the skin, so that the dark oxidized pigment in the skin into a reduced light pigment, interfering with the formation of melanin, prevent pigmentation, to maintain fair skin. 4, tomatoes tomatoes have the effect of maintaining the skin and eliminating freckles. It is rich in tomato red pigment, vitamin C is the best weapon to inhibit the formation of melanin. There is experimental evidence that regular consumption of tomatoes can effectively reduce melanin formation.