Li Yurong, associate professor and doctoral supervisor of the School of Marxism, Tsinghua University. The main research directions are the history of the Communist Party of China, modern and contemporary Chinese history, and socio-economic history. She has published papers in domestic core journals and presided over national social science funds, humanities and social science funds of the Ministry of Education and school level special projects. Recently, she mainly studies the economic policy transformation, supply and marketing cooperatives and commercial system from the War of Liberation to the Early People's Republic of China.