Views on the Political Integration of Southwestern Frontier and Central Government in the Yuan,Ming and Qing Dynasties

The Yuan,Ming and Qing Dynasties are significant periods in which the relationship between southwestern frontier and central government become normal.The three feudal governors pay much attention to the relationship integration of southwestern frontier and inland,e.g.implementing inland reigning system in politics and flexible policy in minority area.Based on the Jimi official system in the Tang and Song Dynasties,the Yuan Dynasty implements chieftain and native official systems which develop into chieftain system and is improved further in the Ming Dynasty.The Qing Dynasty follows the Ming's policy,regulates chieftain system strictly,makes timely change and fights frontier independent regime.The effort of the feudal central reign achieves good effect.Southwestern frontiers become inseparable parts of the empire and the convenient traffic between frontier and inland forms solid foundation for central government to integrate the relations.