On November 23, 2001 (October 9, 2001 in the lunar calendar), the famous Japanese historian Kiyoshi Inoue passed away. On November 23, 2001, the famous Japanese left-wing historian and social activist Kiyoshi Inoue died in Kyoto, Japan due to pneumonia. He was 87 years old. Kiyoshi Inoue is a researcher of modern Japanese history and modern history, a famous social activist, and an honorary professor at Kyoto University. Born in 1913 in Kochi Prefecture, Shikoku Island, Japan, he graduated from the Department of National History, School of Arts, University of Tokyo. During World War II, he participated in the compilation of historical materials for the reform of the Ministry of Education and Culture and the history of the imperial system at the Imperial Academy. After the war, he became an important leading member of the History Research Society composed of Marxist historians and others. In 1950, he joined the newly established Japan Academic Conference. In 1954, Inoue became an associate professor at the Institute of Humanities at Kyoto University, and served as a professor from 1961 to 1977. Inoue advocates "people's history" and opposes nationalist historical views. After retirement, he was keen on promoting academic exchanges between Japan and China, and contributed to strengthening Japan-China friendship and promoting mutual understanding between the two peoples. By September 1985, he had visited China 28 times. Inoue actively participated in the peaceful anti-war movement of citizen groups, denounced the crimes of Japanese militarism in the past, and resolutely protested against the failure to face up to or even distort Japan's recent and modern history and the revision of history textbooks. He was praised by progressive public opinion at home and abroad as a historian with a conscience in Japan. Inoue has written many books, including "The History of Japanese Women","Modern History of Japan","History of Japan","The History of the Emperor: The History of the Mikado System","The History and Liberation Theory of Tribes" and "Japanese Militarism". They are all important materials for studying Japanese history and studying Japan.