The reasons for forehead spots consider the following aspects: 1, long-term sun exposure: ultraviolet rays promote the deposition of a large number of melanin particles, appearing forehead skin color darkening. Need to strengthen the basic care of skin, such as moisturizing, hydration, sun protection, you can apply medical moisturizer, sunscreen, etc. 2, endocrine disorders: due to the large increase of estrogen in the body, so the appearance of female gynecological diseases, such as uterine fibroids, which can be seen in the forehead freckles, it is recommended that patients to the gynecology need to treat gynecological diseases. 3, bad habits: caused by the appearance of forehead skin pigmentation, mainly due to long-term partial diet, staying up late, poor rest caused. It is suggested that patients should diversify their diet, eat more vegetables and fruits, and keep a normal routine, pay attention to rest and reduce staying up late. 4, allergic diseases of the skin itself: patients with seborrheic dermatitis, for example, may form post-inflammatory pigmentation after treatment, and discoloration may appear on the forehead. At this time, you can take tranexamic acid tablets and vitamin C orally, and you can apply cumene cream, or vitamin A acid ointment and urea vitamin E cream mixed with topical medication. You can also choose to go to a regular tertiary hospital for medical aesthetic treatment, such as acid peeling treatment, photorejuvenation laser treatment, hydrophoresis treatment, picosecond and super picosecond laser treatment, and you need to abstain from spicy and stimulating food during the treatment period. Therefore, for forehead spots, it is recommended that patients go to a regular hospital and under the guidance of a professional dermatologist for the appropriate treatment.