The KMT (Kuomintang) Yunnanese Chinese in Northern Thailand have a complex migration history spread over different generations and places. It not only reflects political entanglements involving different power entities, but also illustrates the dynamic reaction of the people to the complications. The article focuses on the interactions between the political powers and the people. The process highlights that the Yunnanese are not mere objects controlled by external policies or conditions. After a few decades of hard life, they have been transforming themselves from refugee warriors to immigrants.