The book has three main objectives:To provide a comprehensive understanding of the development of cyberspace, ranging from its origin, evolutions, and research status to open issues and future challenges, as well as related hot topics in industry and academia.To examine cyber life, cyber syndrome, and health in addition to cyber-enabled spaces designed for better living.To describe cyberspace governance from the perspective of the individual, society, and national and international levels in order to promote a more profound and reasonable direction to the development of cyberspace.Consisting of 16 chapters, the book has three parts. Chapter 1 introduces the origins and basic concept of cyberspace, cyber philosophy, and cyber logic to help readers have a general understanding of cyberspace. Chapters 2 to 7 discuss a wide variety of topics related to the human behavior, psychology, and health to help people better adapt to cyberspace. .