本文旨在以“情感”为视角及核心阐发对象，从“情感”在《诗学》悲剧理论中的本质性与功能性意义两个方面入手，形成对亚里士多德悲剧情感理论的整体把握。同时对比以布莱希特戏剧理论为典型的“非亚里士多德式戏剧”理论，探究二者在戏剧情感表现与激发问题认识上的差异，从而深化对情感在戏剧理论中的重要地位的认识。

This article aims to take "affection" as the perspective and core object to elucidate, starting from the essential and functional significance of "affection" in the tragedy theory of Poetics,in order to comprehend Aristotle's affection theory of tragedy integrally.At the same time,by comparing the “non Aristotelian drama” theory which takes Brecht's drama theory as the typical example,we can explore the differences in their understanding of the expression and stimulation of drama,in order to deepen our understanding of the important position of affection in drama theory.