Research and applicationon cloud computing and intelligent systems have been extensively developed inrecent years. We have witnessed numerous successes in various critical sectorsof our society. As always, CCIS provides a forum for researchers andpractitioners to exchange ideas and present their latest outputs, discusschallenging issues, and share experiences mainly in the field of cloudcomputing and intelligence systems. The past CCIS conferences were held in Beijing(2011), Hangzhou (2012), and Shenzhen & Hong Kong (2014), respectively.CCIS 2016, the 4^th event of this exciting conference series, will beheld at Beijing, August 17-19, 2016. The theme of CCIS 2016 is embracing challengesof cloud computing and intelligent technology at the age of big data. Theconference will feature a comprehensive technical program, including a numberof world class keynote speeches, frontline panel discussions, and sessionpresentations. It is a great opportunity for learning, education, and informationexchanging for all participants.