本文对日本研究八旗问题的情况作了详细介绍。主要涉及东洋文库对有关资料的收藏与整理、著名东方学学者的研究成果和相应成立的学术研究机构。展示了日本关于八旗问题的研究不断深入 ,研究人员成果较为丰富的现状 ,值得我国清史、满族史学界给予高度重视 This article gives a detailed introduction to the study of the Eight Banners issue in Japan. Mainly related to the collection and collation of the Oriental Literature Library, the research results of the famous Oriental scholars and the corresponding academic research institutes. Demonstrating Japan’s deepening research on the banner of the Eight Banners and its relatively rich research results. It deserves our attention in the Qing Dynasty and Manchu historians in our country