Some of the birthmarks on the face can be completely removed, but some, such as coffee spots, usually cannot be removed completely. Some of the birthmarks on the face such as Mongolian spots, nevus of Ota, nevus erythematosus, and coffee spots are usually considered. 1. Mongolian spots: Mongolian spots usually disappear completely at the age of 3 to 4 years old, and very few people will continue to adulthood, after active treatment, most patients can be completely removed. 2. Nevus of Ota: belongs to autosomal dominant genetic disease, at present, it can be treated by Q-switched ruby laser with wavelength of 694nm, emerald green gemstone laser with wavelength of 755nm and Nd:YAG laser with wavelength of 1064nm, which can achieve good cosmetic effect, effectively and completely remove birthmarks, with small side effects. 3. nevus erythematosus: this is a congenital capillary malformation disease, at present, mainly through laser treatment, photodynamic therapy and other physical therapy, repeated multiple times. After active treatment, most of the patients have good prognosis and some of them can achieve the effect of complete removal. 4. Coffee spot: at present, Q-switched laser, intense pulse light and other physical therapy are commonly used, after active treatment, the plaque can be effectively lightened, but it is usually easy to recur, and can not be completely removed at present. It is recommended that patients go to the dermatology department of regular hospitals in time, follow the doctor’s instructions to clarify the diagnosis and symptomatic treatment.