Chloasma may disappear on its own, but it is less likely, so timely treatment is recommended to avoid aggravation of the condition. There are many causes of chloasma, such as ultraviolet radiation, cosmetic stimulation, pregnancy, endocrine disorders, genetic factors, etc. Chloasma is most common in young and middle-aged women, and can also be found in men. Most of the time, chloasma manifests itself as butterfly shaped yellowish brown or brownish patches of varying sizes and edges on zygomatic area, and the pigmentation will be deepened after exposure to sunlight, and the course of the disease varies, and it can last for a few months or a few years. Although melasma may disappear on its own, it cannot be realized in most cases and needs active treatment. Chloasma should be actively searched for the cause, unfavorable triggering factors should be removed, sunlight exposure should be avoided, and shading agents should be used when going out in summer. If treatment is needed, one should go to regular hospitals to take appropriate treatment measures and avoid blindly using traditional remedies.