上昂与挑斡是唐宋以来铺作中的两个构件和作法。二者随时代与地域的不同,在我国南北方表现出相当的差异,宋以后并逐渐演化为江南建筑地方作法。本文希望通过这一探讨,增进对于两宋以来南北建筑的演化以及南方建筑地域特色的认识与理解。 Ongung and provocation are two components and practices in the shop since the Tang and Song dynasties. The difference between the two generations and the region is quite different in the north and south of China. After the Song Dynasty, it gradually evolved into a local practice of Jiangnan architecture. This article hopes to increase understanding and understanding of the evolution of South-North architecture since the Song Dynasty and the architectural features of the South.