This book is a collection of essays, consisting mainly of six dissertations. The main contents of the paper are the construction of intellectuals and the early ideology of the Communist Party of China, He Ganzhi's Lu Xun research, the research on the organization and management of the Propaganda Department of the Central Committee of the Chinese Kuomintang, the formation of the KMT party-state system from the perspective of constitutionalism, the transfer of power and rural construction in the Wanxi region in the 30s of the 20th century, and the impression of "China" in frontier research journals in the thirties and forties of the 20th century. These papers are rich in historical materials, detailed narratives, well-founded arguments, and quite powerful, and are the latest achievements in related research fields in the academic field.