The halo, made of bronze, 226 cm high, carries the images of many Bosatsu Buddha carved on its surface although it is heavily damaged, and is considered to have been made in the Nara period.
この光背は銅造で高さ226cmあり、破損が激しいが、全面に線刻で多くの仏菩薩の像が表わされており、奈良時代の制作と考えられている。