1, black and white is better. Fold the two diagonal lines of colored paper in half before opening. 2. Fold the lower corner to the middle intersection, turn the paper over, and then fold the corner on this side to the upper side. 3. Turn the colored paper to the back, and we will turn the side to the middle. It is folded in parallel. 4. Then fold the top edge in half along the center line, as shown in figure 1. Then turn the colored paper over and fold the middle corner. 5. Then fold the corner down and then up, as shown in Figure 2. The distance here is about the same. 6. Turn the colored paper over again, and we will turn the corners on both sides to the middle. Then open it again and turn the inside edge outwards. 7. Turn the corners inward again, and then turn the origami to the back. We can draw the panda's ears, eyes and mouth on colored paper with a black pen.

Information about production expansion:

Bookmark is a kind of reading label, which is made of paper, electronics, plant leaves and metal. Used to inscribe the title of a book, usually attached to the upper left corner of the cover of an ancient book, sometimes with the book number, the name of the inscriber and the reading place. A bookmark is a small piece of paper sandwiched in a book to record the progress of reading. With the development of the Internet era, electronic tags have been derived.