The 2019 4th International Conference on Cloud Computing and Internet of Things (CCIOT 2019) will be held in Tokyo, Japan during 20-22, September 2019. The aim of this conference is to provide a forum for the scientists to present their latest research results and perspectives for future work in the IoT and Cloud Computing field. CCIOT 2019 will include presentations in form of contributed papers, poster sessions, and state of the art lectures by invited keynote speakers.