This paper aims to reflect the interpretive approach of Chinese classic poetics from former-modern to modern times, in order that advance the other new horizon of interpretation. From former-modern to modern times, the scholars studing Chinese classic poetics have always been treating poetry as a kind of static language formation and as aesthetic experiences touched off by tone and image in readers' hearts. According to above opinion, the poetry never are artistic enough to be "pure poetry" unless they are artsy-craftsy and only show the aesthetic qualities of themselves. Above interpretive approach can't completely point out the sense that the poetry belong to socioculural phenomena in ancient China. Actually, in ancient China, "poetry" are everything. The intellectual generally used poetry as speech acts at all kinds of social interaction. Therefore, "using poetry" is a especially socioculural-act phenomena. The paper is based on the horizon of "interpretive sociology" to advance the other horizon of interpretation. It postulates that using poetry is a especially socioculural act mode adopted by intellectual in ancient China and poetry are the intermediate signs of this act mode. Based on the postulate, the paper try to advance conception about constructing "Chinesepoetryuselogy".