The original meaning refers to the collection of important documents and classics, and later extended to the collection of important and precious things. Generally refers to the classic treasures worth collecting. With the improvement of social economy, people's living standards have improved. Transition from material enjoyment to spiritual enjoyment. Collectibles are tasteful and classic, and can be treasured for a long time. This series came into being with the development of society. We can interpret it as the general name of classic treasures worth collecting. The book edition is more exquisite and luxurious than ordinary genuine packaging. For the convenience of collection, unique packaging is generally adopted. The price of collector's edition will be higher than that of ordinary genuine edition. The price will be several times or even dozens of times that of ordinary genuine products.