| This study selected the Sichuan-Yunnan-Tibet border area as the research object,On the basis of extensive collection of historical data,research and analysis,from a national perspective,from the perspective of historical geography,starting from the military,transportation and Administrative divisions,use of statistical methods,comparative analysis,induction and field investigations,discuss the regional practice of national strategy On the area,and the manifestation of the national institutions in the transition zone,combining the System establishment and perfection of the diachronic process with the process of spatial expansion.discuss the process of advancing,expanding and deepening the national power in the border area of Sichuan,Yunnan and Tibet,reveal regional differences in national system practice,explore the relationship between regional governance and national strategy.The full text revolves around three aspects.Firstly,from the "military" point of view,analyze the expansion process of national military and political forces in the region.The Ming Dynasty established a military control line from the north to the south in the border area of Sichuan-Yunnan-Tibet Border Area by setting up a military-administered Administrative divisions.This is the foundation of the Qing Dynasty’s national power to go deeper into Tibet.The Qing Dynasty expanded the country’s rule in the border area of Sichuan-Yunnan-Tibet Border Areat through four military operations,The military system was also established,adjusted,and improved in four military operations.Expansion of the region directly under the control of the Yalong River through the “Xi Lu Zhi Yi”.In the battle of Tibet,in the Sichuan-Tibet front line,the Qing Dynasty opened and controlled the southern Sichuan-Tibet traffic line and its area through the Dajian furnace by Pacify Tusi.In the Yunnan-Tibet line,the Qing Dynasty opened the Yunnan-Tibet line starting from Lijiang,to Diqing and Deqin entering Tibet.Calming down the Luo bo zang dan jin war,the Qing Dynasty opened up and controlled the north area of Sichuan-Tibet traffic and controlled the area along Yunnan-Tibet traffic.Quitting the "Tibet War",the Qing Dynasty strengthened military control in the border area between Sichuan,Yunnan,and Tibet.in the Sichuan-Yunnan-Tibet border area.Secondly,from the perspective of "transportation",analyze the Sichuan-Tibet traffic safety guarantee system and the garrison’s food supply form.The Qing Dynasty used garrison troops along Sichuan-Tibet transportation to ensure smooth Sichuan-Tibet transportation;By setting up the “Liang Tai”,guarantee the supply of materials for the troops stationed in Tibet and along the Sichuan-Tibet transportation line.The military rations of the troops stationed in and along the Sichuan-Tibet transportation line come from the states and counties under the jurisdiction of Yazhou Prefecture.Thirdly,from the perspective of the "Ting" of the special administrative region,deconstructing the Administrative Forms of the Sichuan-Yunnan-Tibet Border Area.The Qing Dynasty set up the Da Jian lu Ting,Yuexi Ting,Yongbei Zhili Ting,Zhongdian Tingand Weixi Ting,along the edge of Tibet,a semi-circular special administrative area distribution zone was formed,giving Play to the Role of Governing Tibet and Stabilizing Tibet By analyzing the setting background and administrative division elements of the "Ting".Reveal that the “Ting” has the characteristics of dual administrative structure,diversity of ethnic composition,classification of household registration management,differences in levy and collection,and military control.Discuss the adjustment and optimization process of the "Ting" structure,Show the "Ting" as a transitional border special administrative division to the national political district integration and evolution trend. |