This book objectively presents the achievements, status quo, and trends of China's Internet development in 2022, systematically summarizes the major experiences of China's Internet development, and deeply analyses the strategic planning, policies and measures, and development achievements, level and trends in China in terms of eight aspects, i.e. information infrastructure, digital economy, e-government, digital society, cyber content, cybersecurity, cyber law, international cyberspace governance, and exchange and cooperation. This book further optimizes the index system of China's Internet development and comprehensively evaluates the work of cybersecurity and informatisation in 31 provinces (autonomous regions, municipalities directly under the Central Government, excluding Hong Kong, Macao and Taiwan) across the country from six dimensions, so as to reflect the Internet development level in China and various regions in a comprehensive, accurate and objective way. This book collects the latest research results on China's Internet development and selects the most recent cases and reliable data. With diverse topics and in-depth discussions, this book is of great significance to those involved in the Internet field in government departments, Internet enterprises, scientific research institutions, and universities who hope to fully understand China's Internet development.