Abstract: Drawing on existing archaeological evidence and visual materials, this paper conducts an analysis of the linguistic evolution and formal development of Xiewu. It further investigates the distinctive characteristics of its forms, structures, and spatial configurations. It reveals that Xiewu experienced a period of flourishing and innovation during Song dynasty, marking a pivotal era for its architectural significance. This paper also represents an endeavor to elucidate Song dynasty architecture through the lens of architectural massing typology, enriching the understanding of this historical architectural paradigm.