Aboriginal mother tongues are suffering disappearance since government promulgated Mandarin-centered movement after World War Ⅱ. Council of Indigenous Peoples announced that indigenous peoples and students have to obtain tribal language and culture certifications to benefit from the aboriginal privilege in education since 2007. From 2005, aborigines have to pass the tribal language examination in order to qualify a public servant. Therefore, the purposes of tribal language certification has transformed from preserving tribal culture and fostering teachers to examination as a qualification. Tribal language certification contributes to preserving tribal culture and creating a market to learn aboriginal mother tongues. The challenges to the tribal language certification are insufficient preparation period, equity issue, increasing aborigines' burden, lacking of willingness and related policy packages. The study offers the following suggestions to the tribal language certification: increasing the preparation period of implementing tribal language examination, establishing aboriginal language and culture centers and kindergartens all aver the country, unifying the tribal written system, setting up multi-level of tribal language certifications, upgrading the economic capacity of aborigines, reinforcing the tribal language environment of community and family, and exerting media and internet to promote aboriginal culture.