The current treatments are more effective with laser. The exact number of points can be estimated only after seeing the patient. Since nevus of Ota does not gradually stabilize until adulthood, the psychological impact of the lesions on the child should be taken into consideration. If the nevus is not on the face, it is more appropriate to treat it after puberty. If it is on the face, it is best to treat it before entering kindergarten. The treatment process also takes 2 to 3 years, once every 4 to 6 months.