However, having excavated the periphery of the present Kudara-ji Temple, nothing could be found; the old-roof tiles nor the trace of kanji (on state-sponsored temples), as evidence to prove that 'this' was the original Kudara-ji Temple, plus, this place is located far from Asuka, the center of the politics, therefore it is doubted that Kudara-daiji has been there since early time.
しかし、現・百済寺周辺からはその時代の古瓦は出土せず、官寺らしき寺跡もなく、当時の政治の中心であった飛鳥とも地理的に離れており、この地に「百済大寺」が所在したことは早くから疑問視されていた。