With Li Zehou as the representative of the practice aesthetics as its aesthetic essence, exaggerated the role of practice. Yang Chun for Li Zehou's theory of defects up to the way of human existence as the essence of the post practical aesthetics, but the natural way of life, the reality survival way, free way of life has its own logical flaws. Practical aesthetics and practical aesthetics between what is the issue of aesthetic essence, but its essence first is paranoid and simplistic tendency. In the construction process of modern aesthetics, practical aesthetics and practical aesthetics between the argument for Chinese aesthetics provides a useful resource. But in essence is the focus of controversy with the essence of beauty universal suppresses individual expression rights, resulting in many unnecessary debate aesthetics.