Industrial economics is "mesoeconomics" between microeconomics and macroeconomics. It takes industry as the research object, studies and explores the competition and cooperative relationships among enterprises in the industry and their impact on economic performance and corresponding public policies. It also studies the structural relationships and technical and economic connections between different industries and the corresponding industrial policies. This book provides a comprehensive and popular introduction to the theory of modern industrial economics, and examines and thinks about some of China's industrial development realities from the perspective of industrial economics, allowing students to learn how to apply these theories to analyze specific industries, and at the same time understand the basic situation of the development of China's major industries. This book focuses on the combination of theoretical exposition and empirical analysis, integrates the theory and practice of domestic and foreign industrial economic development, systematically reflects the research content in the field of industrial economics, and organically combines theory and practice. It strives to condense the essence of industrial economic theory, so that beginners can fully understand the basic principles and analytical methods of industrial economics, grasp the development direction of industrial organization and industrial structure theory, and cultivate the basic ability to analyze problems using industrial economics theory. This book has 15 chapters in total. It has a clear hierarchy, a complete structure, connects theory with practice, and is rich in content and easy to understand. It relatively completely constructs the logical system and content framework of industrial economics, taking into account the different requirements of different levels and different objects. It has the characteristics of large amount of information, systematic structure, and strong adaptability.