Taking 93 international library science research datasets, which obtained from google dataset as samples, this paper quantifies and discusses its external characteristics, then following the idea of meta-analysis and with the help of text mining tools, to analyze its content characteristics with quantitative and qualitative analysis methods. It was found that the international library science from the perspective of data empowerment has formed six frontier topics: modern library management, LIS education and information literacy cultivation, research data management and sharing, scientometrics and altmetrics, information and science technology application, open science and open access. Three directions of research development are presented, including: the integration of theory and technology provides a new basis for innovation, research data management and sharing has become a new central issue, opening scientific exchange and cooperation has become a new trend of development.