The specific method is as follows:
1. Let the ribbon hang naturally from the box.
2. Press the middle position with your hand and go around to the bottom to form a circle.
3. Twist both ends of the ribbon, fold the left ribbon from above, and hold it with the thumb of your right hand.
4. Return to the top of the box and prepare to tie the bow.
5. Cross the original left and right ribbons and tighten them.
6. Tie a bow.
7. Cut both ends of the ribbon into the shape you like, and the bow is completed.