Melasma does not fade on its own. Melasma is a common skin pigmentation spot that appears on the face, mostly occurs in middle-aged women and is prone to recurrence. The main cause of melasma is the high level of estrogen in the blood. Pregnancy, long-term oral contraceptives or some gynecological diseases such as infertility, dysmenorrhea, menstrual disorders, endometriosis, etc. may induce the disease; liver disease, chronic alcoholism, etc. may also induce or aggravate the disease; long-term strain, mental tension, sun exposure, application of poor quality cosmetics may also be factors that induce or aggravate the disease. Therefore, we need to carry out targeted treatment according to the causes of melasma. During the treatment of melasma, patients should pay attention to eat more fruits and vegetables rich in vitamin C, such as tomatoes, kiwi, oranges and oranges. Keep a happy mood and get enough sleep every day.