ICCC is initiated in 2015 and it is sponsored by IEEE and Sichuan Institute of Electronics, supported by Southwest Jiaotong University, etc. It will be held in Chengdu every year. After the ICCC 2016 and 2017 conference, where more than 600 attendees from 15 countries all around the world have taken part, 2018 4th IEEE International Conference on Computer and Communications (ICCC) will be held in Chengdu, China once again on Dec. 7-10, 2018. On behalf of the Organizing Committee, we warmly invite you, Computer and Communications scientist, engineer or technician, graduate student, or simply interested by the technique, to take part in this unique and innovative conference with your enthusiasm to develop, your desire to apply and your willingness to mature the Computer and Communications technique and their applications.