Large fleshy nevus is called pigmented nevus in medicine, and pigmented nevus on the face can be removed by laser treatment, freezing treatment and surgical excision. 1. Laser treatment: clinically, it is mainly used for treating smaller (less than 3mm in diameter) pigmented nevi, which can be removed by necrosis of nevus cells through the thermodynamics of laser. 2. Freezing treatment: Because liquid nitrogen can produce low temperature, it can act on the lesion tissue rapidly to make it necrotic, so as to achieve the purpose of removing the pigmented nevus, which has the characteristics of small incision and fast recovery. 3. Surgical treatment: for the nevus with poor effect of general method, large area or suspected cancerous nevus, it can be treated by surgical excision, which has precise curative effect, but attention should be paid to preventing infection after operation. Patients who have the need to remove facial nevus are recommended to go to dermatology or medical cosmetology department of regular hospitals for consultation and symptomatic treatment under the guidance of doctors.