At the beginning, it wasn't separated from the regular Niiname-sai Festival, but later as a ritual, solemnized only once in an emperor's lifetime, it became important being called 'Daijo once in a lifetime' and 'Onie no matsuri Festival.'
当初は通常の新嘗祭と区別されなかったものの、後に即位後初めて一世一度行われる祭として、「毎世の大嘗」「大嘗祭」として重視された。