1. Apply toothpaste or oil-based pen to the scratched part of the CD, then wipe the CD with toilet paper or cloth (preferably fine cloth), or wipe it directly to remove the scratches.

This method is suitable for optical discs with less severity.

2, contact a professional repairman, you can polish the plastic on the plate, or go to a professional printing shop for renovation;

Note: this effect is not obvious for burned CDs.

Optical disc, called optical disc in Chinese mainland, Hong Kong, Macao and Taiwan, is an optical storage medium developed in modern times, which is different from magnetic carrier. Information is stored and reproduced by processing a recording medium (also called a laser disk) with a focused hydrogen ion laser beam.