This book combines history, theory and reality, based on historical process of the Socialist Road with Chinese Characteristics; it regards the development history of sinicized Marxist after the reform and opening-up as a main clue; it gives an explanation to the establishment and development of the Chinese characteristic socialism theory system, also its monolithic structure, scientific intension and essential features. This book discusses ideological line and stage of development of the Chinese characteristic socialism theory system; it also analyzes the meaning of theory system in the development history of sinicized Marxist and contemporary development of socialism. This book also gives a comprehensive overview on “the Trend of China” and “the Beijing Consensus”, it gives a definition and an expatiation to development path in Chinese style, establishing an understanding on the development path of socialism with Chinese characteristics.