The seal of a published book is a very common mark on the publication of a publishing house, and the name and related information of the publishing house are printed on the seal. This seal is of great significance in many aspects, especially in copyright protection. In the copyright law, the seal is considered as a very powerful evidence, which can prove that the book was printed by a specific publishing house, and at the same time, it can prove that the publishing house is responsible for the quality and content of the book while protecting the copyright of the work.

The seal of a published book not only plays the role of copyright protection, but also is an important trademark symbol, which allows readers to better identify the source and quality of books. With the development of publishing industry, seals are becoming more and more diversified and artistic, which can be used as the symbol or brand of publishing houses. The design of seals should not only have aesthetic feeling, but also consider the cultural connection with publishing houses and books.

In a word, seal is a very important symbol in the publishing industry, which has many functions such as copyright protection, trademark authentication, brand promotion and so on, and can make readers have a deeper understanding and understanding of books. Therefore, publishers must manage and design seals very carefully to improve the quality and significance of seals.