Abstract: Western Hunan has been developed for a long time in history.Tusi period initiated a new stage for the development of this area,and caused a historical unbalance as well.During the “Tugaiguiliu” period,the area originally ruled by Tusi fastened its development,and with the implementation of “Tuntiankaijiang” policy,the area of Miao nationality has moved into a new development stage,during which much progress has been achieved in politics,economy,culture and social life in Western Hunan,and caused significant historical changes in this area.

Key words: Tusi rule, Gaituguiliu, development, social and historical change