Nevus pigmentosus usually has no effect on the human body and usually does not need treatment. If you feel that it affects your aesthetics, you can remove it through surgical treatment and physical therapy. 1. Surgical treatment: patients can also directly remove the nevus through surgical operation, but it may leave a certain degree of scarring. 2. Physical therapy: For smaller nevi without malignant tendency, you can choose laser therapy, such as CO2 laser, etc. Using the high energy of laser, the melanocytes will be decomposed and broken, and the nevus can be effectively removed. For patients with nevus, it is recommended to go to regular hospitals and choose the appropriate way of removing nevus under the guidance of doctors.