Dermal spots are pigmentation located in the dermal part of the skin, usually located in the cheeks of the face, which may be caused by heredity, sun exposure, endocrine disorders and other factors, and the patients will not have obvious discomfort symptoms. The causes of dermal spots may be due to ultraviolet radiation, endocrine disorders, cosmetic stimulation, hair dyes, heredity and other factors. It is mainly distributed on the cheeks of the face, or around the eyes, neck and other parts of the face, in the form of dots or flakes distribution, irregular shape. In general, patients in the summer the number of spots increased, the color deepened, the lesion area is larger. In winter, due to less sun exposure, the number of spots decreases, the color is lighter, and the lesion area is small. Therefore, patients need to avoid prolonged exposure to ultraviolet radiation and take good sun protection measures when going out. They should also take good care of their skin and avoid using poor-quality cosmetics, especially those containing heavy metals such as mercury and lead, so as to minimize the damage to the skin. Once diagnosed with dermatophytosis, patients with cosmetic needs can actively cooperate with doctors to take relevant treatment measures to reduce the symptoms of hyperpigmentation.