Organizers： 2019 the 4th International Conference on Cloud Computing and Big Data Analytics (ICCCBDA 2019) will be held during April 12-15, 2019 in Chengdu, China。 ICCCBDA is organized by Sichuan Institue of Electronics, supported by Xihua University, Southwest Jiaotong University. Publication: All the accepted papers of ICCCBDA 2019 will be included into Conference Proceedings which will be published and submitted to EI Compendex and Scopus. General Conference Chair: Prof. Ling Fei, Xihua University, China; Conference Co-chairs: Prof. Tianrui Li, Southwest Jiaotong University, China; Prof. Dr.En-Bing Lin, Central Michigan University, USA;