1. Prepare a square piece of paper.
2. Fold the two corners in half overlapping each other, then fold in half along the adjacent corners into a rectangle, and finally unfold.
3. Along the middle crease, fold both sides inward to get the picture below.
4. Then fold the two corners upwards overlapping each other. So is the other side.
5. Use the two vertices in the other direction to fold inward so that the vertices are just at the center. Then continue to the other side and fold all four vertices.
6. There is a hole at one end and four raised paper corners at the other end. Turn the four corners down respectively, and then tuck them inside the overlapping part on the same side.
7. Use your mouth to blow air into the side with the hole, and it will bulge up, so the lantern is made.