Laser treatment of nevus of OTA is effective. The key point is to choose laser treatment, because laser treatment of nevus of OTA is effective and does not leave scars. And generally choose 2-3 months of treatment 1 time, the treatment time is long and the patient's effect is positive, so laser treatment is often used, and other operations or freezing are generally not recommended. Because the economic conditions are good now, choosing laser therapy can achieve better cosmetic effect. How to treat nevus of OTA mainly depends on laser treatment. It is repeatedly emphasized here that if Ota nevus chooses laser treatment, we must pay attention to sun protection. If you don't pay attention to sun protection, the pale blue spots of Ota nevus can be removed. If you don't pay attention to sun protection, pigmentation and spots will appear, which is not worth the candle. Therefore, communicate with patients repeatedly, pay attention to sun protection, moisturizing and insist on treatment.