Plato is the most famous of objective idealism ancient Greek philosopher, Plato's aesthetics and literary theory reflects the ancient people Thinking of aesthetics and literature and to explore the achievements, though with the idealistic component, but later generations had a profound effect, as the western United States and an important source of literature and art. Plato on the nature of the United States opened up the Middle Ages until the German classical aesthetics of basic research the way forward, he explored the question on the inspiration of the Renaissance and even the thought of modern romantic literature and art had an impact.