The stacking method of zongzi is as follows:

Preparation tools: a square piece of paper.

1. Prepare a square piece of paper and fold it in half to form a cross, as shown in the picture.

2. Fold the left and right toward the center line until 4 times 4 equals 16 squares, as shown in the picture.

3. Fold the corner grid inward to face the triangle in half, as shown in the picture.

4. Fold all four corners inward and then open it, as shown in the picture.

5. Merge the dotted lines along the crease, and then fold down both sides, as shown in the picture.

6. Open one corner folded in step 3, fold it down according to the crease, and then tuck the corner inside, as shown in the picture.

7. Similar to step 6, just stuff the corners in and tie the rope, as shown in the picture.