Welcome to join in the 2021 9th International Conference on Communication and Electronics Information (ICCEI 2021)， which will be held in Fukuoka, Japan during September 4-6, 2021. For papers submitted to ICCEI 2021, we offer the publications as following: 1. Publication in JAIT. Selected papers will be published in Journal of Advances in Information Technology, which will be indexed by SCOPUS (Since 2020), EBSCO; CrossRef; etc. 2. Publication in JCM. Selected papers will be published in Journal of Communications , which will be indexed by SCOPUS; DBLP; etc. There are two methods for submitting your paper: 1.By our electric system: http://confsys.iconf.org/conference/iccei2021 2.By our contact email box: iccei@etpub.com Please feel free contact with us: Conference Secretary: Nina Lee E-mail: iccei@etpub.com Telephone: +86-28-86512185 For more information about international conferences, please visit our conference website: ICCEI 2021 website: http://www.iccei.org/