There are twelve lectures in this book. The theoretical section addresses the concept of social contradictions, their various forms and influencing factors, their dual functions and how they aid social development. The author then compares the characteristics of contradictions in traditional and modern society, and analyzes how their special laws have become applicable during periods of transition in contemporary Chinese society. He interprets the contradictions between the public and officials, the rich and the poor, and labor and capital. He also looks at social contradictions in the internet era. He finally analyzes the possibility of social unrest in China and proposes how to actively and effectively deal with social contradictions. His study of social contradictions is of theoretical and practical significance.