Cosmetic surgery generally does not leave scars, face fleshy. Surgery needs to be selected according to the situation, such as obesity of mandible and neck, double chin, baby fat, masseter hypertrophy, and fleshy mandibular angle. None of this will leave a scar. Thigh can only be liposuction, liposuction according to the situation to do a few 2-3mm incision, complete recovery after surgery will not leave scars.