This chapter focuses on the traditional textiles of the Pan-Atayal ethnic group, employing an interdisciplinary approach that combines anthropology and visual design. Employing qualitative research and content analysis methods, the study deconstructs the patterns and color compositions of 73 traditional Atayal textile samples collected from museums and private collections in Taiwan and abroad. The research is conducted in four main stages: sample survey, pattern analysis, color comparison, and statistical evaluation. Sample selection prioritized ceremonial and pedagogical garments, emphasizing cultural uniqueness. Pattern structures were meticulously reconstructed using Pattern Maker and Adobe Illustrator to capture the intricacies of warp and weft designs. Color analysis involved matching textile colors to PANTONE standards and converting them to RGB and CMYK values. Composite stripe color combinations were statistically analyzed for frequency and proportion. Findings reveal that Atayal textile patterns and color schemes are not only aesthetically rich but also deeply embedded with cultural narratives and tribal migration histories. The chapter establishes a systematic research framework for decoding the structural and symbolic language of indigenous textiles, offering new perspectives for cultural preservation and contemporary design applications.