20世纪初发源于日本的唐宋变革论,进入新世纪后又重新发酵,得到了极大的关注。唐宋变革论的视阈是不是可以完全涵盖唐代以后的中国历史?学界已经开始审视,不再将这一观察作为万能的理论范式,盲目地套用于所有历史研究领域。历史在时空中运行。这组笔谈文章,就时间而言,关注的是宋元,乃至延伸到明清,都是向下看历 The theory of change in the Tang and Song dynasties, which originated in Japan in the early 20th century, has been re-fermented after it entered the new century and received great attention. Is it possible to completely cover the history of China after the Tang Dynasty? The academic circles have already begun to examine and no longer blindly apply this observation as a universal theoretical paradigm in all fields of historical research. History runs in time and space. This set of pen-talk articles, in terms of time, is concerned about the Song and Yuan Dynasties, and even extended to the Ming and Qing Dynasties, are looking downward