Guided by the thought of socialism with Chinese characteristics in the new era, this book adheres to the unity of theory and practice, and the unity of history and logic. It closely focuses on the basic question of why the Chinese Communist Party is confident, comprehensively and vividly expounds that the self-confidence of the Chinese Communist Party comes from great achievements, Ideas and beliefs, peoples standpoints, ideological lines, theoretical systems, development paths, institutional systems, cultural foundations, self-revolution and other viewpoints help readers understand the historic achievements of the people of all ethnic groups in the country led by the Communist Party of China, and enhance their understanding of socialism with Chinese characteristics. Confidence, consciously devoted to the cause of the great rejuvenation of the Chinese nation provides theoretical reference and auxiliary reading.