Cheng Xiaobo said, new smart city is a comprehensive carrier of new development concepts to build the network power, digital China and a smart society. It also serves as a key to taking opportunities of informatization, carrying out national informatization strategy and promoting economic and social development. In recent years, under the guidance of the coordination team at minister-level in new smart city, the new smart city is gaining momentum with evident application cases. It can be seen that the new generation technologies like Internet, Internet of Things, big data and AI are playing an important role in city transformation and high-quality development. A series of featured applications and operation modes are emerging in exploring ways of building new smart city by local governments, which improves capacities of city governance and public services, fueling development of new technologies, new industries and new business models so as to driving the digital economy into fast lanes.