The ancestral hallsAncestral hall of TangjiawanTangjiawan Ancient Town exemplify Lingnan’s clan-based architecture, showcasing regional characteristics in spatial layoutSpatial layout, structural systemsStructural systems, materialsMaterials, and decorative techniques. This study examines well-preserved examples through spatial, structural, and material dimensions. The halls typically follow traditional axial layouts, with layered spaces such as front, central, and rear halls, courtyards, and side corridors forming a coherent ritual order. Structurally, they adopt wood-stone hybrid systems suited to the humid, typhoon-prone climate. Locally sourced materials—Keruing wood, granite, gray bricks, oyster shells—combine with plaster, wood, stone, and brick carvings to enrich aesthetics and symbolism. Artistic elements like murals and ridge sculptures reinforce their multifunctional role in ritual, assembly, and education. These buildings reflect a fusion of local resources, craft traditions, and cultural valuesCultural value, representing the architectural wisdom of Lingnan.