For Truku tribe, traditional dance has become the most important sporting event. As time goes by, there are few documents on the development of traditional dance event. As a result, the purpose of this study is to investigate the whole story of the traditional dance of Truku tribe at Shlin. And we use field survey and historical research to collect the primary data for research analysis. This research has some findings as follows: 1. Traditional dance step developed from activities of daily livings. 2. the male dance steps are majestic. the female dance steps are conservative. 3. the musical instruments are made made of wood or bamboo 4. their dances always express some meaningful events.