This is a study on the evoluting process of the details mainly as to the "Roh-Haiden" in Yamaguchi and Shimane Prefectures. The results are as follows ; 1. The Roh-Haiden (tower gate) is most characteristic to be made up the wooden stage. 2. As to the features of the ornamental details, Roh-Haiden is found largely. 3. This style was presumed to decline in the latter Muromachi era, but revived in the middle Edo era, which was succeeded to in the last Edo era.