Also, as the imperial decree issued in 594 which says that Sanbo (three treasures of Buddhism; Buddha, sutras and priesthood) should be respected shows, the Empress, together with the Prince and Umako, tried to make Buddhism flourish and let Horyu-ji Temple to be built in Ikaruga (a town in Ikoma-gun, Nara Prefecture).
また、推古天皇二年に出された、三宝（仏・法・僧）を敬うべしという詔が示しているように、女帝は太子や馬子と共に仏法興隆にも努め、斑鳩に法隆寺を建立させたりした。