The paper aims at introducing the Formosan Plains Austronesians, a subject which is gradually emphasized by the academia world in Taiwan, and discussing the significance of the research result related to the Formosan Plains Austronesians in the field of socila sciences education. The paper starts with a brief introduction of the formosan Plains Austronesians and the academic backgrounds participating the associated study. Then the paper turns to descant the value of the subject of Formosan Plains Austronesians in the contemporary social sciences education of Tawian, focusing on the issues of multiculturalism.