There are many kinds of birthmarks on the face, some of which can be removed, such as nevus of Ota, Mongolian spots, nevus of bright red, etc.; some of which are not removable, such as coffee spots and other birthmarks can not be removed. 1. Nevus of Ota: Nevus of Ota is a common pigmented disease, the specific cause is unknown, may be related to heredity, generally after laser treatment can achieve good therapeutic purpose, commonly used treatments are Q-switched ruby laser, Q-switched alexandrite gemstone laser. 2. Mongolian spot: Mongolian spot is a kind of pigmented birthmark, generally do not need special treatment, most of the Mongolian spots can fade or disappear after a period of time. 3. Nevus erythematosus: nevus erythematosus is a kind of congenital vascular malformation, if it receives regular treatment in childhood, the effect is generally better and not easy to recur, and the commonly used treatment modes are intense pulse laser, pulse dye laser, photodynamic therapy and so on. 4. Coffee spot: there is no eradication method for coffee spot at present, and a few of them can become lighter with age, and the symptoms can be improved by using strong pulse laser and Q-switch laser. This kind of birthmark may be related to a variety of systemic diseases, such as neurofibroma, etc. At this time, the cause of treatment is the key. Patients with birthmarks on the face are recommended to visit regular hospitals in time for a clear diagnosis and professional treatment under the guidance of specialists.