In Japan, the government supplies temporary housing to people , whose houses are damaged due to natural disasters, and the process is demanded to be conducted quickly and simply. The purpose of this paper is to clarify the mechanism of the construction process of temporary housing which looks complicated. To do this, the authors investigated supply and construction process in case of some disasters, the 1993 Hokkaido Nansei-Oki Earthquake, the Eruption of Mt. Fugen in Unzen, the Eruption of Mt. Usu, and the 2000 Tottoriken-Seibu Earthquake. Using simple 3D-chart constructed to compare these four cases, problems were cleared.