Have it repaired by a professional.
If the YSL bag trademark is scratched, it can only be repaired by professionals. We cannot do it ourselves, so it is recommended to find a professional organization.
The abbreviation of YSL (Yves Saint Laurent), whose Chinese translation is Saint Laurent, is a famous French luxury brand founded by Mr. Yves Saint Laurent, who was born in Algeria, French North Africa on August 1, 1936.