“Complementary counterpart assis-tance” to Tibet is one of the earliest ways China conducted regional “complementary counterpart”assistance. As a formal institutional arrangement, it already has had more than 20 years of history. The academic research on “assistance to Tibet”has been gradually increasing. However, there are big differences in understanding many of the is-sues. This article conducts a comprehensive analy-sis on the progress of related research on the“com-plementary counterpart” assistance to Tibet in re-cent years, focusing on the spheres of assistance, the theoretical basis, institutional nature and other issues related to “complementany counterpart” as-sistance of Tibet. It further proposes the direction of future research.