班固對於賦體的論述，對於後世賦體觀念的研究討論，影響最為深切。其中對於賦體源流的論述，更是成為後世學者對於賦體起源的代表說法，是故，班因的賦體體源觀可說是在歷代賦論中，具有十分重要的地位。本文試圖透過對班固賦體觀的分析討論，了解班固如何將賦體與詩體的源流作結合，並透過此種詩賦同源的說法，提升賦體的地位，以及確立了賦體「諷論」的作用。

Ban Gu's concept of the form of Fu is very important regarding the later generation's discussion. Especially about the form of Fu's origins. It became a representatives standpoint. This article attempts to analyse how Ban Gu treats about the form of Fu's origins. And try to find out its possible reason and purpose.