Jingyi Jin is a professor at the Foreign Language College of Peking University. In 1982, he graduated from Yanbian University, Chinese Department, and received a Bachelor of Arts degree. In 2001, graduated from Peking University, College of International Relations, and received a Doctor of Laws. He has been a visiting scholar in Research Institute for Regional Planning and Development of Keio University, in Japan; Institute of Far Eastern Studies of Kyung Nam University, in Korea; and Academy of Korean Studies, in Korea, giving lessons about Relationship between China and Korean Peninsula, research on Korean Peninsula in Hanyang University, Korean, and Chuo University, Tokyo. And now he is a professor of the Foreign Language College at Peking University.
Research aspects include Modern History and Culture of the Korean Peninsula, History of Relations between China and the Korean Peninsula, and Research on the Korean Peninsula. Publications include Academic work: Origin of China involved in the Korean War, and numerous articles and book chapters, over 50 articles.