*The 14th International Conference on Advanced Computer Theory and Engineering (ICACTE 2021)* September 17-19, 2021 | Hangzhou Dianzi University, Hangzhou, China www.icacte.org Since 2008, the International Conference on Advanced Computer Theory and Engineering has been successfully held 13 sessions in South Korea, Germany, Singapore, China, Egypt, Indonesia and other countries. ICACTE 2020 has been held online successfully during September 18-20, 2020 because of the COVID-19. *Publication* Submitted papers will be peer reviewed by program committees, and accepted papers after registration and presentation will be published in the ICACTE 2021 Conference Proceedings by IEEE CPS, submitted for inclusion into IEEE Xplore and indexed by EI Compendex and Scopus. Conference proceedings of ICACTE 2020 has been index by Ei Compendex and Scopus. *Call for Papers* Algorithms; Bio-informatics; Data Mining; Data Encryption; Digital Library; Control Systems; Computing Ethics; Computer Vision; Computer Security; Computer Networks; Database Systems; Parallel and Distributed Computing; Ubiquitous Computing; etc. For more topics, please visit http://www.icacte.org/cfp.html. *Submission Instructions* English is the official language of the conference; the paper should be written and presented only in English. Abstract (200-300 words) submission for presentation only without publication. Full paper (no less than 8 Pages) submission is required for Publication and Presentation. Submission: ▪By online submission system: http://confsys.iconf.org/submission/icacte2021 ▪By Email:icacte@iacsit.org *Contact* Conference secretary: Ms. Luna Wu E-mail: icacte@iacsit.org Tel:+86-18000547208 WeChat: iacsit2009 Office Time: 9:30--18:00, Monday to Friday (GMT+8 Time Zone)