Although it is called 'Kokuzo Bosatsu' at present, it is believed that the name was given by the people at a later time when they believed that Prince Shotoku was the incarnation of Kokuzo Bosatsu, and the statue's original name is unknown.
「虚空蔵菩薩」と称するが、これは聖徳太子の本地を虚空蔵菩薩とする後世の信仰によって名付けられたものと思われ、本来の像名は不明。