Canon products are collections. Refers to the collection of important documents and classics, and later extended to the collection of important and precious things.

With the improvement of social economy and people's living standards, material enjoyment has changed to spiritual enjoyment. The collection is tasteful, classic and can be preserved for a long time. Collections are produced in line with the society, and we can interpret them as the general name of classic collections worth collecting. Book collection refers to the collection, allocation and management of books in the library field. In the library, such a department is called the collection management department, which is different from the collection department and the circulation department (the collection department is responsible for buying books and making materials, and the circulation department is responsible for issuing certificates and borrowing and returning books from readers, etc.). ). The collection department is mainly responsible for all kinds of work needed for the operation of the library, such as all kinds of allocation, shelving, shelving, warehousing and elimination. The book collection department is a very important department in the library, which intersects with all departments of the library and plays a connecting role in the library.