“势”是中国古典诗歌 ,尤其是唐诗所具有的重要特征。在唐诗论中 ,“势”这一概念出现频率较高 ,含义也不尽相同。本文通过对唐诗论中“势”的分析 ,认为“势”首先是指诗歌创作中意象展开、组合的一种方式 ,其次 ,“势”也指意象之间内在的规律及其所呈现的态势 “Potential” is an important characteristic of Chinese classical poetry, especially the Tang poetry. In the theory of Tang poetry, the concept of “potential” appears more frequently and has different meanings. By analyzing the “potential” in the theory of Tang poetry, this paper holds that “potential” first refers to the way in which the images are expanded and combined in poetry creation. Secondly, “potential” also refers to the inherent law between the images and the situation they present