Landlord, this is mainly divided into nine kinds, including Mongolian spot, coffee milk spot, Ota mole, pigmented mole, hirsute mole, sebaceous gland mole, capillary hemangioma, cavernous hemangioma and wine spot. What kind of person are you? You'd better go to the hospital for a checkup. You can go to Shantou Shuguang Plastic Surgery Hospital. They are good at this. You can find it under Baidu search.