This article probes into Yuan Mei's poetic argumentation from three aspects. It points out that the centre of Yuan Mei's poetic argumentation lies in expressing the poet's disposition and regarding whether it expresses disposition as a criteria of poetic creation and criticism. He thinks "simple lying in elegant" is a perfect poetic realm and has a detailed analysis from the article composition and communication. He advocates the stand of "a poem can be regarded asexcellent or inferior without regarding the present and the past "and explains the position of his own literary evolution against the restoration of ancient ways of Qian Jia literary circle.