Melasma all over the face can usually be removed through general treatment, drug treatment and photoelectric treatment. 1. General treatment: chloasma patients should pay attention to sun protection, when going out, they can apply sunscreen, use sunshade hats and umbrellas for comprehensive sun protection. In normal life, they need to ensure enough sleep, avoid staying up late and avoid excessive tension and anxiety. If chloasma is caused by other diseases, you need to actively treat other diseases. 2. Medication: Melasma patients can use hydroquinone cream, azelaic acid cream, vitamin A acid cream and other medicines externally. Oral vitamin E, vitamin C, tranexamic acid, glutathione and other drugs can also be taken, and fruit acid peeling can also be used if necessary. 3. Photoelectricity treatment: Q laser, intense pulse light and other laser treatments can be used to remove melasma by utilizing the photothermal principle of laser to act on melasma areas, breaking the melanin particles of melasma, and then phagocytosis of macrophage cells and lymphatic circulation to remove melasma. It is suggested that patients with melasma should go to the dermatology department of regular hospitals in time and choose the appropriate treatment plan according to their conditions under the guidance of doctors.