The KMT government at first banned the use of Japanese in Taiwan, but the Taiwanese Aborigines could not speak Mandarin or any other Chinese dialect such as Taiwanese or Hakka, nor could they read Chinese characters.
國府來台後禁用日文，但因原住民不但不懂國語，連台語、客語等漢族方言也不會說，漢字更看不懂。