This research aims to study remodeling methods of Hanok focusing on 'Kitchens, bathrooms, utility rooms, and boiler room's-spaces that the remodeling processes most likely to occur and provide opportunity to show modern lifestyle fused with the traditional Hanok. The object of the research is to provide practical information on the improvement of living environment for Hanok dwellers by collecting and analyzing visual information such as pictures and plans along with other supporting materials of Hanok remodeling precedents that adapted the modern lifestyle, at the same time preserving Hanok's traditionaliity.