Abstract: Library is the center to conduct teaching and research activities in university, its construction quality and level have important influence on the development of university. With the development of modern information technology, the information think-tank has gradually become the key content in the construction of university library. This paper expounded the concept of modern library information think-tank, and analyzed its importance and advantages in library construction, and put forward the effective ways and theoretical direction to develop and construct the information think-tank in local university library.