1. The library has a collection stamp (for preservation) and a public seal. The collection stamps are blue, as shown below.

2. There are prescription books and stamps. Book stamps are generally square or round, and there are other styles.

3. There are books with red chapters, as shown below.

Circulation books are open and can be checked out. The stamp is red, as shown in the figure below:

5. There is also a square library printed pattern.

6. There are many styles of library seals, most of which are round seals now, and many old books are square seals as follows: