This article questions the quality of the process of the perception of beauty and aesthetic pleasure to see what identity is derived from this concept. It is claimed on the philosophical foundations of Mullā Sadrā that the sensible perception of beauty, firstly and in particular is “intuitive knowledge” and that the aesthetic pleasure is produced from this “intuitive knowledge” and then the concept of beauty is derived from process of abstraction from external quality of object as secondary philosophical-intelligible.This issue is an essential part in Sadra’s Theosophy and can provide new perspectives different from those of western Aesthetics. On this basis, the author will proceed to study and explain the dimensions of this issue. The most important achievements of this research are: the explanation of the perception of beauty, the distinction between Aesthetic pleasure and corporal pleasure and also its relation to the concepts of good and perfection and in the end proving that the concept of beauty is a secondary philosophical-intelligible.