Ground "Poetry" in the ancient times in scholar's mind, poetry nearly each all had the so-called the meaning between the lines exist nearly. Therefore understood the poet or the sage hid in the writing in-depth significances is very important, the scholar develops many special reading methods. Trusts "Poem Foreword" is the common understanding way to take "Poem" meaning, however this can cause the poem righteousness annotation the limit. Song Dynasty's Confucianist scholar Zhu Xi and Yan Can et al. to use reading way which the experience and the feeling become aware, from this caused poetry's explanation to appear openness gradually; To settles the generation, Yao Ji Heng, Cui Shu and Fang Yu Run, three people developed this way to limit. Yao Ji Heng, Cui Shu and Fang Yu Run are important scholars in the Qing Dynasty, who had the independent spirit to study "Poetry". In the history of studing "Poetry", they were extremely important and had the special status. They penetrate the appreciation, the experiences perceptually, read "Poem" the method, explores truly is different with the former content significance, but, they in explanation process, although suggested is very essential in reader's function, but this kind of experience-like annotation law requests the significance, finally still carried out stratification plane of the author. They pursued still was significances of the author, but did not pay their attention to reader's creative function. The way of aware which about the experience and the feeling to reading "poetry" also to grow several phenomena, we observe these phenomena, may take it as its characteristic, not have to have the value judgment, but still unavoidably had to ask: Who decides the significance? "Poetry" took w understood the object, might as well will regard as our intrinsic energetic life. So long as history go on even, no matter which kind of interpretation method is adopted, understand it is only a series of development forever, but not an action that can claim to finish.