This study work for transform theory of national territory about late 19th century in Chosun Dynasty. Therefore look into the people of Chosun Dynasty about settlement moving in Manchu area. And it looks at Gamgeasadunglok(勘界使謄錄) As we know the 19th century in Chosun Dynasty be faced boundary dispute northern territory between Qing Dynasty. At that time, the northern territory of the Chosun Dynasty border on the Qing Dynasty. There are two river, such as Apnok(鴨綠) and Duman(豆滿) river beside on Chosun and Qing Dynasty. After 18th century the Chosun and Qing Dynasty agree with the national border into the that two river. However the Qing Dynasty didn't want agreed that result. The reason is that two country not matched Duman river's sources point. Therefore after western Imperialist invade Qing Dynasty, they care about there own Nationality and National territory. So this study work for the changed theory of National territory in Chosun and Qing Dynasty. As a result, Finally we can proved that two country show us the Nationality grow up the after 19th century.

This study work for transform theory of national territory about late 19th century in Chosun Dynasty. Therefore look into the people of Chosun Dynasty about settlement moving in Manchu area. And it looks at Gamgeasadunglok(勘界使謄錄) As we know the 19th century in Chosun Dynasty be faced boundary dispute northern territory between Qing Dynasty. At that time, the northern territory of the Chosun Dynasty border on the Qing Dynasty. There are two river, such as Apnok(鴨綠) and Duman(豆滿) river beside on Chosun and Qing Dynasty. After 18th century the Chosun and Qing Dynasty agree with the national border into the that two river. However the Qing Dynasty didn't want agreed that result. The reason is that two country not matched Duman river's sources point. Therefore after western Imperialist invade Qing Dynasty, they care about there own Nationality and National territory. So this study work for the changed theory of National territory in Chosun and Qing Dynasty. As a result, Finally we can proved that two country show us the Nationality grow up the after 19th century.

territory, boundary dispute, Apnok river(鴨綠江), Duman river(豆滿江), Gamgeasadunglok(勘界使謄錄)