This book constitutes the thoroughly refereed post conference proceedings of the 5th International Conference on Cloud Computing, CloudComp 2014, held in Guilin, China, in October 2014. The 25 revised full papers were carefully reviewed and selected from 72 submissions and cover topics such as mobile cloud computing, services, applications, IoT on cloud, architectures and big data, cloud-assisted pervasive computing and services, management and virtualization for cloud, cloud security.