Chloasma is mainly caused by ultraviolet radiation, pregnancy, endocrine disorders and heredity, etc. Its treatments include allopathic treatment, topical medication, oral medication and physical therapy. 1. Causative treatment: first of all, it is necessary to find out the cause of disease and treat according to different causes, such as chloasma caused by ultraviolet ray exposure, it is necessary to avoid sunlight exposure and use sun blocking agent to prevent it when going out. 2. Topical drugs: depigmenting agents can be applied to local melasma, such as 2%-5% hydroquinone cream, 4% tretinoin, etc., which can inhibit the activity of complex enzyme, thus reducing the production of pigment; in addition, 0.025%-0.1% vita-acid can also be applied, which can affect the metabolism of melanin, and thus play a certain therapeutic effect. 3. Oral medication: Vitamin C and vitamin E can be taken orally under the guidance of doctor, which can also play a role in lightening chloasma. 4. Physical therapy: Physical methods such as laser or IPL can be used for treatment, through which the heat energy generated can act on the local pigment cells and break the local melanin particles and excrete them out of the body, so as to achieve the therapeutic effect. There are more treatment methods for melasma, it is better to choose them under the guidance of doctor and in combination with patient’s specific condition.