The purpose of this study is to promote the understanding of how aboriginal ethnic education is implemented in schools, based on the observation of the tribal curriculum development process occurring in a Truku elementary school. The main research methods are literature review and case study. There are 5 sections in this article. Research purpose is described first, followed by a review of ethnic education curriculum theory and related research. Research methods and data collection methods were introduced in the third section. Data analysis results, research findings and discussion are presented in the fourth section and several recommendations are offered in the conclusion section. The research results reveals: (a)The Truku ethnic education curriculum can be categorized as formal, informal and hidden curriculum. (b)The curriculum implement can be included as self-developed teaching materials, infused curriculum and additional curriculum. (c)The dilemmas of curriculum implement. Based on the research findings, the researcher offers several suggestions in the conclusion section for facilitating ethnic education curriculum in aboriginal elementary schools.