Melasma is a common skin disease, also known as butterfly spots, which occurs on the face and is more common in young and middle-aged women, and occasionally in a few men. It is a pigmented skin disease that occurs on the face. It is mostly symmetrically distributed on both cheeks and is light brown or coffee colored. In Chinese medicine, it is also called “dull” and “sallow”, and in pregnant women, it is called “pregnancy spot”. As this disease is often related to depression, which is the liver qi stagnation in Chinese medicine, it is also called “liver spots”. The cause of this disease is not clear, but it is thought to be related to the change of endocrine function, which is seen in women who are pregnant or taking oral contraceptives and other factors, long-term application of certain drugs such as phenytoin sodium, dormant, contraceptives can occur chloasma. In addition, strong sunlight and the application of cosmetics can also induce chloasma. Chloasma is also seen in unmarried and infertile normal women or men, and its cause is unknown. According to Chinese medicine, chloasma is caused by liver dysfunction resulting in qi stagnation, which leads to the loss of facial qi and blood to produce liver depression and qi stagnation, liver depression and qi stagnation, liver depression for a long time and fumigate the face to form spots; secondly, kidney essence is damaged and long-term injury to kidney yin, kidney yin is not enough to nourish the face, so the face is not glorious; thirdly, qi stagnation and blood stasis leads to non-glorious skin; fourthly, liver and spleen are not in harmony with qi and blood dysregulation and cannot be glorified on the face. Note: 1, diet: eat more food containing vitamin C and E fruit. Such as: cabbage, winter melon, white radish, lemon, apple, tomatoes, peanuts, lettuce, lean meat, egg yolk. Eat less soy sauce, pickles, cigarettes, wine, coffee and other foods with more pigments; 2. Sun protection: avoid sunlight as much as possible, use sun umbrellas or caps when going out, and apply sunscreen and other sun protection products externally; 3. Reasonable use of cosmetics: under the guidance of doctors, some skin whitening and moisturizing creams and cleansers should be used in a targeted manner. When using spot removal products, you should try them on your arm first and apply them on the affected area only after there is no allergy. 4. Emotional and spiritual: Keep your mood relaxed, avoid excessive worry and overwork, and ensure sufficient sleep time and a good state of mind. There are many ways to treat chloasma in Chinese medicine, which should be classified into the following types: liver depression and qi stagnation type, kidney yin deficiency type, qi stagnation and blood stasis type, liver and spleen deficiency type, spleen deficiency and dampness type, etc. External treatment with Chinese medicine, acupuncture, laser treatment.