It was known that Senju-do hall was built in Todai-ji Temple from 729 to 749 and Senju Kannon statue was placed in its Kodo (Lecture Hall) which does not exist now.
東大寺には天平年間に千手堂が建てられたことが知られ、同寺の今はない講堂にも千手観音像が安置されていた。