It was originally the head section of the principal statue of Yakushi Sanzon, the principal image of Kodo Hall in Yamada-dera Temple in Asuka (present-day Sakurai City, Nara Prefecture), as stated above, and located in Tokon-do Hall, but the head section was the only part narrowly rescued from the fire in the Muromachi Period.
元来、飛鳥の山田寺（現・奈良県桜井市）講堂本尊薬師三尊像の中尊像の頭部で（前記）、東金堂にあったが、室町時代の火災で頭部だけがかろうじて焼け残った。