Because the Taiwanese were capable in Japanese, they often assisted in intelligence work or interrogation of prisoners. Another important function was providing medical services; there were four "Taiwan hospitals."
由於熟諳日語，他們時常協助刺探軍情、詢問日俘等工作，另一主要工作是提供醫療服務，曾成立四個「台灣醫院」。