Laser treatment of nevus is a professional equipment for treating various benign pigmented lesions. It uses the principle of selective photothermal action to irradiate the diseased skin with a laser beam with a specific wavelength, accurately penetrate the skin to reach the diseased part, crush the diseased pigment particles, and then excrete them through human metabolism. This can achieve the purpose of removing moles, and the postoperative effect is particularly good. In addition, the laser treatment of nevus is operated by a professional doctor personally, with decades of experience in treating birthmarks such as nevus and erythema nevus, which can effectively ensure the safety and effect of treating nevus. It is recommended to go to a regular plastic surgery hospital for treatment.