Pigmentation after wound healing can be removed by medication, physical therapy and other means. 1. Medications: Skin discoloring agents such as hydroquinone cream are mainly used for chloasma, freckles and post-inflammatory hyperpigmentation spots. Oral vitamin C and glutathione can also be taken, which can help reduce the pigmentation within a certain period of time. 2. Physical therapy: such as laser removal of melanin scars, wound healing pigmentation belongs to the formation of melanin, the treatment is relatively simple, generally can lighten the color of the scars, and the laser has a certain effect on the removal of scars. It is recommended that patients consult a professional doctor, and at the same time do a good job of sun protection measures, which can to a certain extent reduce the precipitation of melanin.