The International Workshop on Computer Science and Technology(IWCST)is a yearly academic activity co-sponsored by Beihang University , Tsukuba University and Zhejiang University science 2010. Scholars from these three universities share their research achievements at the workshop. IWCST2017 is held in Beihang University, and is organized by the School of Computer Science and Engineering and the State Key Lab of Software Development Environment. The topics of IWCST2017 include Big data, Cloud computing, Service computing, Artificial intelligence, and Internet of things etc.