文章对中西方图书馆历史发展脉络进行梳理，以中国历史为参照，在探寻每个历史阶段中国图书馆智库功能的同时，比较相应历史时期西方图书馆所呈现的智库功能，深入揭示图书馆智库功能的历史底蕴，最后总结出相应的启示。

This article first reviews the historical development of Chinese and western libraries, taking Chinese history as a reference and exploring the functions of Chinese library think tanks in different historical periods.The article then explores and compares the functions of western library think tanks in different corresponding historical periods. In this way, the paper reveals in depth the historical details of library think tank functions. The article finally draws the conclusions with some enlightenment.