From a medical point of view, once a scar is created, it does not usually disappear on its own, but the scar tissue itself has a process of change that can be interfered with using medications and other means to interfere with its creation. Scars are generally divided into three periods, including the inflammatory, proliferative and mature stages. Most scars will enter the mature stage after six months or a year of hyperplasia, and the color of the scar will slowly fade from red and the texture of the scar will gradually change from hard to soft. After the growth phase, the scar will enter the fading phase and may shrink and become smaller, but it usually cannot disappear on its own. If topical creams or combined with laser irradiation are applied to scars in the proliferation phase in a timely manner, the proliferation of scars can be controlled to the greatest extent possible, or the absorption of scars can be promoted as soon as possible, thus reducing the undesirable appearance of scar formation. Usually, topical application of cumene cream ointment and silicone gel can be applied to the proliferating scars, so that the proliferation of scar production may be controlled to a certain extent in the early scar formation. In addition, scars are related to one’s own constitution and some patients are more difficult to treat and may require multiple treatments.