Spots are formed by pigmentation due to imbalance of skin metabolism, and there are more kinds of spots, including melasma, freckles, coffee spots, age spots and so on. Patients with spots on the face should first visit a hospital dermatologist. There are many causes of facial spots, and in most cases, relevant tests need to be conducted under the guidance of a doctor. If chronic liver disease and abnormal hormone level are considered, endocrinology examination is needed if necessary; if female problems such as menstrual disorders are considered, gynecology examination is also needed to confirm the diagnosis. For facial pigmentation, in addition to treating the cause to alleviate the problem, you can choose suitable light spot products or adopt medical aesthetic methods to remove it under the guidance of doctors. Products include tyrosinase inhibitors such as hydroquinone, arbutin, vitamin C and its derivatives, etc.; products that accelerate melanin metabolism such as niacinamide; antioxidant products such as vitamin E and its derivatives; products that accelerate epidermal cell metabolism such as retinoic acid and fruit acids. Medical aesthetic modalities usually include phototherapy, laser treatment, etc. If allergy or other uncomfortable symptoms occur during the treatment, it should be stopped in time and treatment measures should be taken under the guidance of a doctor.