Scar enlargement is relatively common in the clinic, the treatment means are as follows: first, topical scar removal drugs, the most important component is silicone gel. Secondly, the applied Mepi-therapy, on the one hand, can reduce the tension of the scar site, on the other hand, can compress the hyperplastic scars, the effect on the hyperplastic scars is relatively good. Thirdly, glucocorticoids and other drugs are closed within the scar lesion, which will receive obvious effect. Fourthly, hyperplastic scars with more red surface and capillary dilation can be seen, can be irradiated by pulsed dye laser. Fifth, if the hyperplasia is more obvious and the effect is not satisfactory with the above treatments, surgical excision plus radiation irradiation can be considered. Therefore, there are still more treatment methods for scar hyperplasia, and the appropriate treatment method should be used according to the specific situation.