In the southern regions of China, the Mulao ethnic group is regarded as one of the most ancient ethnic communities. This group possesses a long-standing history and a rich cultural heritage, making it a crucial component in the study of regional ethnic histories. It holds a significant place in the historical evolution of China's ethnic diversity. The traditional residential architecture of the Mulao people, along with its decorative elements, forms a vital part of the cultural heritage of the Mulao community. (...) These structures serve not merely as places of residence but also as venues for cultural transmission and practice, reflecting the profound historical and cultural depth of the Mulao people. As carriers of history, these buildings document the culture, art, and spiritual qualities of the ethnic group, playing an indispensable role in the preservation and development of Mulao culture. This paper conducts an in-depth study of the historical evolution of traditional Mulao residential architectural decoration, aiming to explore its traditional features and modern innovations while, the dissertation examines the various challenges currently faced by conservation efforts. The study extensively compares the traditional features and modern innovations of Mulao residential architectural decoration, showcasing unique styles in form, color, and patterns. Through case analysis, successful preservation practices are identified, providing valuable experiences.This provides invaluable experience and profound insights for future cultural preservation efforts.This research contributes to a better understanding and respect for Mulao cultural heritage, offering substantial support for the continued preservation and evolution of Mulao traditional architectural decoration. (shrink)