Chloasma is usually related to heredity, ultraviolet radiation and changes in sex hormone level, etc. Patients can follow the doctor’s instruction to lighten chloasma through general treatment, topical medication and laser. 1. General treatment: patients should take good care of their face, such as hydrating, moisturizing, sun protection, etc. This is the key factor to prevent chloasma and avoid recurrence of chloasma after treatment. 2. Topical medication: patients can follow the doctor’s instruction to use decolorizers to lighten the spots, such as hydroquinone cream, compound arbutin cream and so on. 3. Laser treatment: the corresponding wavelength laser is used to irradiate the area of chloasma, which can promote the decomposition of local melanin clusters and activate the skin repair system, and through the skin repair process, the broken melanin will be discharged, so as to achieve the effect of light spots. It is recommended that patients go to regular medical institutions, where professional physicians will formulate appropriate treatment plans for melasma according to the specific conditions of melasma.