The main methods of scar removal are as follows: First, topical scar-softening ointments There are two main types of these drugs, one is vitamin E ointment, Xylitol ointment, heparin sodium ointment, etc. The second is hormonal drugs such as halometasone ointment and mometasone furoate cream. Second, when the effect of topical medication is not good, it is recommended that local injection of closed needle, commonly used trimethoprim injection and lidocaine injection, one to one mixture, once a week, 3-4 times in a row has a more obvious effect, can soften the scar, reduce the lesion to some extent, but it is difficult to return to the original state. Third, fractional laser or radiotherapy can be used if available, which may have certain effect. Fourth, surgery is generally not recommended because it may stimulate the tissue and cause the proliferation of scars.