徐陵有《在北齐与宗室书》一文,此书是徐陵滞留北齐时所作,书中请求某北齐徐姓宗室助其返回南朝。本文结合南北朝的门阀制度、南北士风之异同、南北文化交流、南北士人迁移等历史、政治、文化背景,考述徐陵致书之徐姓宗室很可能为东阳徐之才一族。 Xu Ling “in the Northern Qi and Zonglun Shu” a text, this book is made when Xu Ling stranded in Northern Qi, the book asked a Northern Qi Xuzong room to help return to the South. This article is based on the historical and political background of south and north dynasties gatekeeper system, the similarities and differences between the Southern and Northern styles, cultural exchanges between North and South, and the migration of scholar between North and South.