Literary men in late Goryeo Dynasty appreciated the importance of the culture with regional characteristics influenced by the culture of Won dynasty that had been formed out of the combination of every unique cultures from all over the world. By virtue of this recognition, they attempted to represent regional characteristics of Goryeo in their poetry and prose. This tendency was conspicuous in the literary men as Mokeun Isak and Ikjae Lee jaehyen who experienced the culture of Won through having stayed there for a long time. They emphasized the fact that the culture of the East country(Dongkuk) and the culture of the Middle kingdom(Chunghwa) are not different but the same, the idea of which was represented in their poetry. Mokeun's works were noteworthy for this tendency. He left his hometown for studying at his age of 14, and he went to Won dynasty when he was 20. Even after he came back to his homeland, Goryeo, he had to stay in Kaesung for his government post. Therefore, it is not difficult to find Mokeun's poetry whose themes are related to describing the sentiment of missing his hometown. It is very significant to note that in his works, he did not view Goryeo as a country, but he did as one region in the world of Won. According to his perspective, he attempted to represent Goryeo as the locality within the order of the world of Won. Consequently, he tried to express his sentiment in his works using a variety of topics, such as the histroy, people, folklore, language, foods, plant species in Goryeo.