First of all, a brief introduction.

The Five Laws of Library Science written by Ranganathan at 193 1 is a world-renowned masterpiece of library science, and its five laws are praised by the international library community as "the most concise expression of our profession".

Second, understanding

1, five laws of Ranganathan (S.R. Ranganathan, 1892- 1972), the first law: books are for use; ; The second law: every reader has his own book; ; Third Law: Every book has its readers.

2. The fourth law: save the reader's time; The fifth law: the library is a growing organism. The first four laws involve almost all problems in the fields of modern library construction, such as concept, structure, technology and management.

3. It provides theoretical guidance and practical basis for it. The fifth law profoundly reveals the growth state and development law of the library, that is, the library must adapt to the development and needs of society, keep pace with the times and constantly adjust itself.

Three. Brief introduction of the author

Ranganathan (Ranganathan, Shiyali Ramamrita) was born in Madras (present-day Tamil Nadu) in 1892. He studied and taught mathematics in his early years. Ranganathan has been paying close attention to Indian librarianship. At the request of Punjab Library Association, 1944 drafted an opinion on rebuilding Indian libraries after World War II.