Organize your schoolbag according to your own usage habits:

1) According to the size of the book, put the big one on the bottom and the small one on the top.

2) According to the frequency of use, the commonly used ones are placed at the top and the infrequently used ones are placed at the bottom.

3) Water bottles, umbrellas, etc. It is easy to pollute books and put them outside the schoolbag.

4) Easily damaged articles are protected by boxes, such as pens, compasses and triangular plates. In the pencil box.