This book mainly introduces two contexts, three discourse systems, four research dimensions, five literary spirits and six academic systems.

Two contexts: studying the relationship between realism, expressionism and romanticism; Study the relationship between "thinking" and "poetry"; Discuss the relationship between the scientific study of words and the poetic study of literature.

Three sets of discourse systems: the study of the relationship between Ma and western literary theory and China's literary theory.

Four research dimensions: expanding the essential level of the research object in breadth and horizontal direction; Explore the essential layer of the research object from the depth and vertical direction; Capture the essence of the research object from the vector and the flow direction; Grasp the essential connection of the research object from the circle and from the ring.

Five literary spirits: humanistic spirit of literature and art; The historical spirit of literature and art or the spirit of the times; Scientific spirit of literature and art: national spirit of literature and art: aesthetic spirit of literature and art.

Six theoretical systems: study the relationship between literature and nature, and develop various naturalistic or ecological literary theoretical systems; Study the relationship between literature and social history and develop various theoretical systems of historical literature; Study the relationship between literature and people, and develop various humanistic literary theory systems.

Study the relationship between literature and aesthetics, and develop various aestheticism literary theory systems; Study the relationship between literature and culture, and develop various theoretical systems of cultural literature; Study the relationship between literature itself and develop various literary theoretical systems of textualism.