The notion of Pairwise Aid to Tibet has grown to be a key institutional foundation for Tibet's social and economic growth as well as the creation of socialism with Chinese characteristics.In the current era of collective national endeavor to realize the objectives of the"Second Centenary",Pair-wise Aid to Tibet has assumed a more prominent position and significance.Examining the institu-tional modifications and historical contributions of this initiative is quite important.The major ways that Pairwise Aid to Tibet has contributed historically have been through the implementation of"differentiated regional policies",the progressive institutionalization,and the spirit of this initiative.These three factors are inextricably linked and naturally cohesive,offering a scientific framework for developing a new phase of the Pairwise Aid to Tibet and more effectively advancing it towards fu-ture phases.