The Hyogoken-Nanbu Earthquake caused serious damage in Hanshin-area in Japan, on 17, Jan., 1995. This damaged area had already been pointed out by Environmental Karte made by Kobe-City Office 20 years ago. The aim of this study is to construct the system that notice efficient widely information related to urban disaster prevention to the inhabitant. Firstly, we collect the basic data related to the urban planning. And the risk for disaster in the district scale is ranked is by GIS. In this research, The following results were obtained: Firstly, the index is limited by the presence of a variety of basic information which composes the risk rank. Secondly, in the present state, to maintain of information is uneven depending on each administrative division. Thirdly, it is possible to treat the maps of various scale and adequate information by using the system that we constructed. And the present state photograph of the forecast danger part is added to the explanation. So that, we can explain information visually.