1, first of all, you need to prepare: some leaves, a few pieces of cardboard, a box of gouache paint, a paintbrush.

2, then, pick up the paintbrush and color all the selected leaves.

3, then, take the colored leaves and paste them onto the cardboard with the colored side facing down.

4, finally, you can see the gouache to make leaves topiary painting is completed, the problem is solved.