The main methods to remove scars are as follows: 1, topical scar-softening ointments there are two main types of such drugs, one is vitamin E ointment, Xylitol ointment, heparin sodium ointment, etc., and the second is hormonal drugs such as halometasone ointment and mometasone furoate cream. 2, when the effect of topical drugs is not good, it is recommended to inject local closed needles, commonly used tretinoin injection and lidocaine injection, one to one mixture. Once a week, 3-4 times in a row has a more obvious effect, which can soften the scar and reduce the lesion to a certain extent, but it is difficult to restore to the original state. 3. Fractional laser or radiation therapy can be used if available, which may have some effect. 4. Surgery is generally not recommended, because it may stimulate the tissue and cause the proliferation of scars.