Scratch scars can be removed in a variety of ways depending on the extent of the injury. 1. non-surgical methods, such as hormone plus lidocaine injected into the root of the scar, can inhibit the growth of collagen and fibroblasts and inhibit scar proliferation. 2. superficial therapy can be done, that is, local radiation, which can also inhibit the proliferation of scar cells. 3. surgical treatments, surgical methods 4.If the scar is too large, it cannot be sutured directly after excision, but the surrounding tissues can be loosened locally and can be sutured after loosening. If the scar is too big, it should be repaired by implant surgery after excision. In conclusion, there are many ways to remove scars, and patients should choose the most suitable one for themselves after fully communicating with their doctors according to the situation.