Many kinds of components, materials and building systems are changing according to the alteration of building systems by several reasons. However, the changes of ordinary components are rarely recorded in detail. In this study, we grasped the outline of development of staircase products in Japan. In the rapid economic growth term, various kinds of staircase products that are produced a lot and secure the stable quality began to be developed by the increase in the high-rise buildings and the houses. However, after the middle of 1970s, they came to be required the improvement of the quality for the rust or the walk sound, and the western style. In the Bubble term, the number of construction work increased. So, the constructor began to demand the easy construction method. After that, the low cost or the safety products have been developed, because of the depression and the aging society.

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