Nowadays parents care for their children more than before, and children with incurable disease increase for environmental pollution. This increases the demand on hospital for children. Also, they show more interest in supergraphics which can richen such environment for children further. In Korea, however, it is urgent to establish measures because children¡s hospitals lack and hardly reflect child patients emotion or characteristics.Thereupon, this study conducted a case research on the signs and supergraphics in two representative hospitals for children in Seoul(Seoul National University Childrens Hospital) and Pusan(Pusan National University Childrens Hospital), the first and second cities of Korea, based on literature research on two foreign hospitals for children (Philadelphia Childrens Hospital, U.S.A., Kyushu University Hospital, Japan).According to the result of literature research on foreign spaces, Philadelphia Childrens Hospital in the US uses design with the sun, moon, and stars and also various colors to divide space to intrigue children. Kyushu University Hospital in Japan uses various animal images, so its overall atmosphere is dynamic and calm at the same time. Using the medium chroma and medium brightness of colors gives emotional stability. Also, it is the case that utilizes exemplary supergraphics actively using environmental elements such as walls, floors, or windows.According to the result of case study, Seoul National University Childrens Hospital, the largest childrens hospital in Korea, uses blue as its main color and draws characters developed on the walls, floors, ceilings, and signs to intrigue children and make them feel intimacy. About orientational and directional signs, letters are in Gothic style, and two languages of Korean and English are written. And characters are put in the marginal area. However, for the distracting use of characters on the walls and signs, it creates no harmony as a whole and gives a feel of complexity and confusion.Pusan National University Childrens Hospital, the first childrens hospital in Pusan, uses warm colors to give genial feelings and also uses green and blue for highlighting, too. It uses the walls, floors, and ceilings with the themes of the sea world and universe for childs imagination. For orientational and directional signs, letters are in Blurred style(which is not suitable for children), and three languages of Korean, English, and Chinese are written. Although the whole building and facilities apply supergraphics and a plane divisional method, too many bright colors are used that it creates distraction.This study has found that hospitals for children are getting to have design considering child patients. However, the use of distracting characters and too many bright colors rather gives fatigue to children, so it should be changed.