To present a new interpretation of ”Shijing.Zhaonan.Yie You Si Jun”, the author used the method of detailed text reading as well as the mutual convolution and reference of the theme of the poem, integrating viewpoints of customs in Zhou dynasty and pure literature at the same time. That is by using the method of analyzing the author's life and agreeing the author's viewpoint in the understanding of the poem. Using this poem as an example, which various different interpretations had been presented, the author brings forward his method and viewpoint of understanding. As the conclusion might be different from that presented by various scholars previously, such a title is thus given to this article.