3.78 million. According to official website of Yangzhou University, the library of Yangzhou University covers an area of 40,000 square meters, with a collection of more than 2 million volumes, and constantly increases electronic resources in Chinese and foreign languages, including 3.78 million kinds of e-books, including China HowNet database, Wanfang data knowledge service platform, Superstar Huiya e-book platform, Apabi digital resource service platform, SCI, SSCI, AHCI, EI, Springer, Elsevier, PQDD, IEEE and so on.