This book is based on the background of digital technology development and proposes a construction and management plan for smart cities. It mainly introduces the policies, operation plans and management measures for smart city construction. The book first presents the policies of smart cities in domestic provinces, cities and regions, clarifies the impact of smart cities on social production factors, economic development and people's livelihood, and then proposes a smart city planning scheme, construction issues and related construction cases based on the investigation of citizens' needs. It then lists the planning directions such as road landscapes, lighting facilities and public transportation, and puts forward suggestions for smart city governance and management from top to bottom. The publication of this book will have reference significance for the future construction of smart cities and the improvement of the happiness index of the general public.