1. Fold an A4 piece of paper in half along the long side, then fold it along the short side, fold the two short sides towards the center line respectively, unfold the origami, cut the middle two creases with a knife, and fold it in half along the scratches.
2. Fold two more origami sheets in the same way and stick them together with a glue stick to form the inside pages of the book.
Cut a beautiful piece of paper into the size of a book and stick it on the inside page of the book as the cover.
4. Finally, paste white patterned paper, cut off the excess parts and attach a bow for decoration.
The above is the method of hand account.