The object of this critical research can be defined as the transcendental logic, which has manifested itself in Classic German Aesthetics and Phenomenological Aesthetics, or Phenomenological Aesthetics as a new period of transcendentalism aesthetics.

The developing course of aesthetics ontology has undergone three stages in the history of aesthetics,which is ultimately moving towards the stage of the unity of object and subject that accords with the specific characteristics of aesthetics after the two stages of subjects and objects as its mainstreams.