传统的“知人论世”、“以史证诗”的文学史研究方法将文学作品与人及社会视为相关三要素 ,而以“正变”立论的文学史观则视文学史为外部环境制约下的交互运动 ,都有其合理性。然而二者都忽略了文学的主体地位与外部因素进入文学形式的中介系统。如果我们将文化与文学视为系统与子系统的关系 ,则可以获取新的视角。在双向运动中 ,文化建构的驱动力也就成为文学史的一个重要动力源 ,在文化目的的驱动下 ,对文学史形成文化选择与整合 The traditional literary history research methods of “Knowing the World,” “Historical Poetry” study the literary works and people and society as the relevant three elements, while the literary history view of the argument of “positive change” treats the history of literature as the external environment The interaction under the constraints of movement, has its rationality. However, both of them ignore the main position of literature and external factors into the intermediary system of literary form. If we regard culture and literature as the relationship between systems and subsystems, we can gain new perspectives. In the two-way movement, the driving force of cultural construction has also become an important source of literature history, driven by cultural purposes, the cultural history of the formation of cultural choice and integration