Hello, I am a graduate student in this school. In view of your situation, you can consult the relevant experts in dermatology of the First Affiliated Hospital. It is relatively easy to treat birthmarks in an affiliated hospital. You can go to Director Wang Li's clinic. The specific treatment should be decided according to the location and size of the birthmark. At present, we generally use multi-wavelength multifunctional Venus laser machine for treatment. Its advantages are: it is suitable for all kinds of birthmarks: nevus OTA, nevus flammeus, hemangioma and freckle nevus; Basically no complications, no scars, safety, reliability and remarkable effect. Welcome to our department for consultation!