Welcome to the website of the 2019 International Conference on Library and Information Science (LIS 2019). The conference is to be held in Sapporo Convention Center, Sapporo, Japan from January 19-21, 2019. The LIS 2019 conference theme is “Digital transformation and the challenges of the new information environment: reinventing library for the next user generation”. LIS 2019 aims to offer a forum for scholars, educators, LIS practitioners and professionals from different countries to share research achievements and to establish research network and to find global partners for future collaboration. Prospective contributors are welcome to submit full papers or abstracts through the online submission system. LIS 2019 welcomes contributors from LIS and other related areas to join this international event. All submissions to the LIS will be reviewed by at least two independent peers for technical merit and content. It is anticipated that a broad range of research and applied topics will be covered during the conference.