If the scars are produced after laser, there are 4 kinds of treatment methods to choose from: 1. The simplest one is to apply topical drugs, which are applied directly to the scars and can inhibit the proliferation of scar cells, but it is necessary to insist on applying them for at least 3-6 months before they can be applied. 2. Topical silicon copper preparation dressing, the advantage of the dressing is that it can be applied to the scars for a long time 24 hours a day, and the drug will be released continuously to inhibit the proliferation of scars. 3, If the scar proliferation is obvious and the pain and itchiness is obvious, you can use scar softening needle, the main component is hormone, hormone directly hit the scar inside, through relieving the proliferation of scar cells to make the scar gradually become shorter and flatter to relieve the symptoms of scar pain and itchiness. If the effect of treatment by the above 3 methods is not particularly good, you can consider surgical excision to cut off the scar directly, and pay attention to the standardized scar prevention treatment after surgery to prevent the recurrence of scars.