SpringerLink is a world-leading, high-quality full-text database for science, technology and medicine. The database includes various electronic journals, electronic books, reference books, and retrospective documents. It is an important source of information for researchers. The Springer full-text e-journals have been collected from the inception year (1894) to the present. The publications before 1996 (inclusive) were purchased by NSTL, and after 1997 were purchased by our library. Readers can view e-journals from inception year to the present. In addition, our library purchased more than 40,000 e-books for the 2005-2015 copyright year, including mathematics and statistics, earth and environmental sciences, applied computer science, behavioral science, business and economics, humanities, social sciences and law, life sciences, chemistry and materials science, engineering, computer science, physics and astronomy, medicine and other disciplines. Springer's electronic retrospective books include books published from 1840 to 2004. At present, our library has opened more than 7,000 electronic retrospective books for mathematics and statistics (published from 1929 to 2004), and a total of 5,862 kinds of retrospective books for humanities and social sciences (published in 1856-2004) including pedagogy, social sciences, linguistics, law, philosophy, and psychology.