This book traces the development of fundamental ideas and concepts underlying the constitution of the Communist Party of China (CPC), delving into the Party’s thinkings on popular sovereignty, democratic supervision, human rights, economic, and military theories. By analyzing how these ideas have been expressed and transformed, the book reveals the critical role played by the CPC in building a socialist country under the rule of law. This book stands out as a comprehensive monograph on the theories and implementation of the CPC's constitution. It presents a wealth of information in a clear, balanced, and well-structured manner, ensuring both depth and readability.