本文从东方这一理想场域的建构和浪漫主义建构的话语体系出发,运用了后殖民主义的观点对柯勒律治《忽必烈汗》一诗进行分析,得出了东方作为理想化的场域,实际上由浪漫主义话语的合法性所建构,合法性的产生源于作品的非现实性,而非现实性的建构又复归于理想场域这样一组三角关系,并结合作品进行了详细的分析。 Based on the construction of the ideal field in the East and the discursive system of romanticism construction, this paper analyzes the poem “Kublai Khan” by using the postcolonial viewpoint and finds that the East is idealized The field is actually constructed by the legitimacy of romantic discourse. The emergence of legitimacy stems from the unrealistic nature of the work, while the non-realistic construction reverts to a set of triangular relations in the ideal field, combining with the works detailed analysis.