This study aims to analyze how the development of classical Islamic librarianship and how it contributes to the development of libraries in the present. The method used in making this article is the method of literature using several sources of books and journals on the development of libraries in classical Islam. The results showed that during the heyday of Islam, the library became a learning tool so that the Muslims at that time were able to build a great civilization and survive for centuries. The development of the library exists and arises because of the love of books and science by the kings and aristocrats and former intellectuals. With their love of science, the name of the Library as a center of education emerged. Based on the historical dimension, the contribution of the library in the classical period to the library that developed in the present certainly has a very large contribution in advancing world civilization today. His contributions include various aspects of both his people, collections, and the historical landscape that is still studied until now.
Keywords: Classical Islamic Librarians, Today's Libraries