CyberC 2019 (Guilin, October 17-19) is hold in Guilin Lijiang Waterfall Hotel, Guilin, China. Thanks Guilin University of Electronic Technology for hosting the conference. CyberC 2019 has been cosponsored by Zhengzhou University, Nanjing University of Posts & Telecommunications, the IEEE Computer Society (Technically Co-Sponsored), IEEE TCSIM (Technical Committees on Simulation), and the University of Louisville. Thanks for the generous financial support by ZTE (Diamond), Huawei (Silver), Guilin University of Electronic Technology (Silver), and InfoBeyond (Silver). Three days’ program covers Distributed Computing, Communications, Security, Blockchain, Knowledge Mining, Mobile Computing, Deep Learning and Big Data, Networking, and other relevant areas. The conference includes 15 keynote speeches, 19 sessions, and one panel.