This book, combining history and reality, theory and practice, is devoted to establishing a theoretical system on the Belt and Road Initiative by analyzing 24 related major questions , such as a community with a shared future for mankind, Green Silk Road, Digital Belt and Road, the Arctic Channel, Geographic Space, financial innovation, energy cooperation, language planning and discourse power of think tanks. This book proposes relevant theoretical frameworks and suggestions to provide intellectual support for the development of the Belt and Road Initiative.