Cognitive Engine: At present, the development of IoT is still in its early stage, and its role is limited only to connecting objects in the physical world that communicate with each other. However, making the objects more intelligent is the foundation for realizing the true value of the IoT. Thus, cognitive computing has been widely implemented in IoT to achieve machine intelligence [6].Therefore, edge intelligence should be the critical approach to develop CIoT in terms of providing efficient communication, high-speed computing, and intelligent control with cognitive capability being implanted into machines based on technologies of machine learning, deep learning, neural networks, and so on [7]. To realize the edge intelligence for CIoT, this article investigates innovative IoT systems assisted by edge computing and provides a detailed design to construct an intelligent edge. Specifically, this article makes the following contributions to edge intelligence in the CIoT: