Laser mole five years and black marks need to be based on the specific circumstances, to take appropriate treatment measures, laser mole after black marks may be mole tissue residue, hyperpigmentation or scar formation, commonly used treatments include medication, physical therapy, surgical treatment and so on. 1. Mole tissue residue: Generally for some moles that are relatively large and deep, it is usually not easy to remove them cleanly with laser mole spotting, and it is easy to leave tissue residue, which requires further laser treatment, and surgical excision can be taken if necessary. 2. Hyperpigmentation: If there is hyperpigmentation after laser mole spotting, it can be treated with external decolorizing agents, such as hydroquinone cream, tretinoin cream, etc.; it can be treated with oral antioxidant medicines, such as vitamin C, vitamin E, etc.; if necessary, it can be improved by further laser treatment. 3. Scar formation: If the mole is deeper or improper care after mole spotting, local scar formation, then it usually can not subside by itself, you can local injection of glucocorticoid drugs, such as Triamcinolone acetonide, etc., to inhibit the formation of keloid scars; topical Xiliao Tou ointment treatment; if necessary, you can take surgical excision combined with radiation therapy to prevent the scar from proliferating again. It is recommended that patients go to the dermatology department of a regular hospital, follow the doctor’s instructions to clarify the diagnosis, timely treatment, and follow the doctor’s instructions to use reasonable medication, not blindly self-medication, so as not to cause adverse consequences.