Abstract: The logic peculiarity of aesthetics shows the inherent nature and possibility of aesthetics.The knowledge theory and the axiological aesthetics hold that aesthetic logic peculiarity makes the natures of illusion and reality into an entirety,and fulfills the aesthetic creation during the change of aesthetics.Then it renders all beings aesthetic knowledge forms and makes the aesthetic results come true.

Key words: illusion and reality, knowledge theory and axiological esthetics, logical noumenon