JCERJournal of Contemporary Educational Research2208-84662208-8474Bio-Byword Scientific Publishing Pty. Ltd.10.26689/jcer.v3i4.808Articlehttps://artdesignp.com/journal/JCER/3/4/10.26689/jcer.v3i4.808LiJie2019342019-08-26Informationization and automation are important in library management due to the development of computer technology and network technology. Although computer networks bring great convenience and improvement to library management’s efficiency and quality, there are many security issues that could tag along with networks. The library information is prone to leak due to virus and hackers as well as the transparency of the network. Thus, this leads to a high security risk in library management. Therefore, this paper mainly analyses the security management strategies of library computer networks.