1. First of all, we need to draw a wavy line with smooth strokes, with the left end descending and the right end rising, and the waveform is thin.

2. Then draw a wavy line under the wavy line in the same way and connect the endpoints of the two wavy lines respectively.

3. Then color the four parts of the ribbon evenly with a purple marker, with the front side facing up.

4. Finally, paint three sections of the ribbon with deeper purple, thus drawing a bright red and elegant ribbon.