1. Pirated books have a strong flavor. You can put them in the vent for a few days and then put them in the sun for a while. Or put it in a box with activated carbon, or buy an air freshener and spray a small amount on the pages.

2. Sometimes we accidentally buy pirated books when buying books, and we will find that pirated books often give off an unpleasant smell because of their poor quality, which is very disturbing and affects reading.

If you want to get rid of the smell of pirated books, you can put them in the vent. In a few days, their taste will naturally dissipate. You'd better put them in the sun for a while.

4, or you can buy an activated carbon bag and put it in a box with the book, so that the activated carbon can absorb all the unpleasant smells on the book.

You can also buy an air freshener and spray some on the pages. After two or three days, the smell in the book basically dissipated.