Yuan Dynasty Khitan people Migration Studies

After the death of Liao,Khitan people of Jin Dynasty in the social situation has been the focus of the academic community,especially the forms of organization and national policy that Jin rules Khitan people.The research of khitan people's relocation in Jin dynasty has been very mature,but that in Yuan Dynasty has not been concerned too much.The author would like to put forward his own opinion through the historical records of Yuan Dynasty.