The 18th century Scottish Enlightenment philosophers explored and enriched the topics and categories of modern and contemporary aesthetics.The School of Philosophical Criticism,represented by scholars such as Hutchison,Hume,and Ellison,is intertwined in aesthetic thought,forming a philosophy of aesthetic criticism characterized by moral and emotional judgment.Based on the needs of the times and the development of their own nation,they are enthusiastic about the moral and ethical aspects of human nature exploration,respecting scientific rationality in the research path,closely linking moral philosophy,emotional cognition,and aesthetic speculation.They focus on the subjective perception of human beings,with interest as an important object of aesthetic discussion,discussing the standards of interest,the role of sympathy,and thoughts the attributes and operations,as well as the content of modern aesthetics such as beauty and reverence.Their arguments have both homogeneity and differences,reflecting the inherent tension in the aesthetic thinking of the Scottish philosophical criticism school,and promoting the development of aesthetic philosophy.