2018 International Symposium on Big Data and Artificial Intelligence (ISBDAI 2018) was held in Hong Kong on Dec 29 - 30 2018 (and also we have a parallel session in Guilin). The conference is organized by IETI and IDSAI, supported by University of Johannesburg (South Africa), Eurasian National University (Kazakhstan), Hong Kong Shue Yan University, Shandong University of Finance and Economics, Guilin University of Technology. Participants and Speakers are from South Africa (University of Johannesburg, University of South Africa), Taiwan (Center for High Performance Computing), Hong Kong (Hong Kong Shue Yan University), Changsha (Changsha University of Technology), Beijing (Tsinghua University), Chengdu (Tencent), Guilin (Guilin University of Technology), Jinan (Shandong University of Finance and Economics), Japan (Ehime university, Meiji University), Kazakhstan (Eurasian National University), South Korea (Kunsan National University, Busan University of Foreign Studies), Sweden (56 Digital) and etc.