[Purpose/significance] This paper studies the service measures of university libraries in Chengdu region in the face of the unexpected epidemic of "2019 Novel Coronavirus " in January 2020 and the reference role of university libraries in other regions.[Method/process] Based on analysis the emergency measures taken by Chengdu university of technology, this paper collected emergency service measures, service effect of other university libraries in Chengdu (Sichuan University, University of Electronic Science and Technology, Southwest Jiaotong University, Southwest University for Nationalities, Southwest Petroleum University, Sichuan Normal University, etc.), the innovative measures implemented by university libraries were reviewed and summarized.[Result/conclusion] Besides preparing the epidemic prevention and disinfection, university libraries in Chengdu area take advantage of the digital library resources and the web service technology. University libraries actively carry out characteristic digital resources service by use of new media, E-mail and QQ group, launch "coronavirus pneumonia and epidemic prevention" project, establish online digital resource guide, construct platform for online course resources, carry out series of lectures on cloud, open service of "book delivery" to borrow and return books without contact. Based on those, achieve the goal of not suspending learning, teaching and researching in case of close of libraries, which supports the learning, teaching and researching of the universities.