This book demonstrates the concept of ecological system of the smart ports. The innovation is emphasized as the essence of the ecological system as well as the prerequisite and foundation of sustainable development of smart ports. The main supporting technologies of smart ports, including cyber-physical system, middle-office system, blockchain, artificial intelligence, machine vision, AR/VR, system simulation and emulation, digital monitoring and diagnosis, etc., are introduced with concepts and development descriptions as well as practical application cases. It could be used as demonstration and reference for the administrative staff, engineers and technicians as well as researchers in construction and operation of smart ports.