Dr. Changsha face plastic surgery expert said: Ota nevus can be removed by laser method. Laser treatment of Ota nevus mainly uses a specific wavelength to output the laser energy in a very short moment, forming a high energy density. giant pulse. After the nevus of Ota is irradiated with laser, the giant laser pulse is selectively absorbed by the pigmented diseased tissue, generating extremely high temperatures inside the diseased tissue, and the melanocytes are directly vaporized or split into fragments in an instant, which are engulfed by human phagocytes and excreted out of the body. , thereby returning the skin to normal.