This research proposes the design application method using the Korean National Flag. Through graphic analysis of the Korean National Flag only in design aspects leads to the possibility of using it in the field of graphic design by transforming and interpretating it. Comparative analysis with foreign examples for the products design development proposes the possibilities of pragmatic use of the National Flag , also proposes positive use of the National Flag to the people`s daily life. Especially, this research expects that the boarder use of the National Flag as a design motive upgrade design level. At the same time, this research expects a better cultural level in design wise by introducing the goods which motive comes from the National Flag. By doing this, we might feel the Korean National Flag closer in our everyday life.