The basic content of Wang Guowei's literary aesthetics theory mainly includes the following aspects: 1. Theory of aesthetic value: Wang Guowei believes that the aesthetic value of a work of art is determined by its own intrinsic attributes, which are closely related to human aesthetic experience. He believed that works of art had aesthetic value because they expressed the real world and also created an aesthetic experience beyond the real world. 2. Realm theory: Wang Guowei believed that the realm of works of art was the inner realm of the theme and emotion they expressed. This realm could be discovered and explored through the analysis and understanding of works of art. He believed that the realm of a work of art determined the artistic height and depth it could reach. Tragedy theory: Wang Guowei believes that tragedy is the most representative form of art works, which can resonate with the audience's heart. He believed that the essence of tragedy was the limitations of human life and the inevitable tragic fate. Comedy theory: Wang Guowei believes that comedy is the most humorous form of art, which can make the audience feel the value and meaning of life in laughter. He believed that the essence of comedy was the joy and happiness of human life. The core of Wang Guowei's theory of literature and art aesthetics is the theory of aesthetic value and the theory of realm. He believed that the aesthetic value of a work of art was determined by its intrinsic attributes, which were closely related to human aesthetic experience. He emphasized the inner realm and theme of the works of art, believing that the realm of the works of art determined the artistic height and depth they could reach.