Abstract: This paper illustrates in detail seven authoritative comments by Zhuang Shuo, Yin Pan, Yuan Xingpei etc. to affirm the "credibility"of "Cibeigu Mount", in an effort to solidify the significance and special status of this poem. From the aspect of readers' response, historically important literary figures all lavished praises on this poem and quoted its certain lines frequently to describe the prosperity of social life, convey the energy of nature and symbolize literary phenomena. From the perspectives of its criticisms and lasting aesthetic views, it is natural that it is deemed as the representative poem of Tang Dynasty at its most prosperous moments.