Carbon dioxide laser mole spotting is one of the more commonly used methods of medical cosmetic treatment. The wavelength of carbon dioxide laser is 10.6μm, which can vaporize the tissues in the process of treatment, so as to achieve the purpose of cosmetic treatment, and it is often used for the treatment of pigmented skin diseases, such as nevus in clinic. After using carbon dioxide laser to spot nevus treatment, it is necessary to pay attention to strengthening skin care, such as keeping the local skin clean and dry, avoiding sunlight and so on. There is no need to worry too much about the pigmentation that appears in a short period of time, which can be gradually faded in about 3~5 months. As a medical cosmetic method, the effect of CO2 laser mole spotting is related to the skillfulness of the operator, so please choose a regular medical institution for consultation.