The site was evaluated as one of few ruins that would be able to recover Donai Shogon (the decoration of Buddha statues and temples) of the Buddhist architectural style in the Hakuho period, and designated as a national historic site on March 29, 1996.
数少ない白鳳時代寺院の堂内荘厳を復元し得る遺跡と評価され、1996年3月29日に、国の史跡に指定された。