Placing CDs in a box can prevent loss or forgetting. The box can serve as a marker or label to help users identify and locate specific CD discs. CD boxes can also be used as part of gift packaging to give CDs as gifts to others. The box can be decorated and customized to enhance the aesthetics and personalization of the gift.

Knowledge of daily use and maintenance of CD boxes:

1. The cleaning of the CD case is very important as it is easy to vacuum and clean for a long time

2. It's best not to fall or touch, as once the fixed part moves, it can be quite tricky

3. What is used for cleaning? It is best to use a low alkali cleaning agent to prevent corrosion

4. When placing CDs, it is best to clean them as well