China's book classification is based on scientific classification and combined with the characteristics of books. Book classification number is a set of codes given to file entities in the form of types, which is used to fix and reflect the arrangement order of files. Book discipline codes represent the basic disciplines of humanities and natural sciences with uppercase and lowercase English letters respectively; The secondary or tertiary levels of affiliated disciplines are represented by natural ordinal numbers and distinguished by decimal points. Other mobile disciplines reserve 9, and the ordinal number reaches 9 or the decimal number is represented by 99.
The book classification number in China is determined according to the contents, forms, genres and readers' uses. Under the guidance of certain philosophical thoughts, the books of various disciplines are divided into several categories according to their subject contents by using the principle of knowledge classification and logical methods. Each category is divided into many subclasses, and each subclass is divided into molecular subclasses. Finally, every kind of book can be divided into certain categories, and each category has a category number.
The Classification of Books in China
1, divided into social science and natural science books by subject.
2. According to the language, it is divided into Chinese documents and foreign documents.
3. According to the purpose, it is divided into ordinary books and reference books.
4. Divided by content: novels, children's books, non-fiction, professional books, reference books, manuals, bibliographies, scripts, reports, diaries, book collections, photography and painting collections.
5. According to characteristics: thread-bound books, hardcover books, paperback books, bagged books, e-books, audio books, books for the blind, and ethnic books.
6. According to the form: compilation, complete works, series, collection, series, set of books, etc.