北元大汗之位的更替,特别是每一位大汗的身世及其代表的势力等问题都与北元政权内部复杂的政治形势息息相关。因此,北元汗系及其相关问题的研究一直受到学界的重视。近一个世纪以来,这方面的研究取得了不少成绩。尤其是日本学者本田实信利用波斯文史料对北元汗系进行了较为深入的研究,基本上弄清了卓里克图、昂克(明代又译俺克、影克,清译恩 The replacement of the sweat of the North Yuan, especially the life experience of every sweat and the forces represented by it, are closely linked to the complicated political situation in the Beiyuan regime. Therefore, the study of the Northern Dynasties Khan line and its related issues has always been the academic community’s attention. For nearly a century, many achievements have been made in this field. In particular, the Japanese scholar Honda Shinto made use of Persian literature to conduct a more in-depth study of the North Yuan Khan line, basically clarifying the Zhuo Li Ke Tu, Angk