抄録
This study aims at the germ of public concept to building maintenance and the maintenance organization in ancient Japan. The aims of this article are below. 1. The resolution of the germ time of public concept to building maintenance 2. The establishment of maintenance in ancient period As a result, the public concept of building maintenance appeared in Tenpyo Period, and the maintenance organization was established in the latter half of Nara period. And I re-assembled the document about the unification and abolition of construction organization in Heian Period.
