With the depth development and extensive usage of new generation information technologies, internet of things and cloud computing, new smart cities become a new urban form in the information age, which also become an important topic of urban planning, construction, and management. After analyzing the policy environment of the new smart city, the authors elaborated the progress of infrastructure construction of new smart city from the internet communication technology, the remote sensing satellite and navigation technology, big data center, and spatiotemporal information cloud platform. Meanwhile, the achievements of new smart city were discussed with the main application field of the smart government, the"Multi-plan Integration"information platform, the smart urban management, and the smart environmental protection. Then, the authors analyzed the developing trend of new smart city in the era of the artificial intelligence (AI). Finally, the authors put forward the key issues of planning and development of new smart cities, including the top design, the network security, and developing timing.

new smart city  /  urban brain  /  internet of things  /  artificial intelligence