Garbha-mandala (Daihitaizosho mandala) is drawn based on Esoteric Buddhism scriptures called 'Daibirushana Jobutsu Jinbenkaji-kyo Sutra' (Mahavairocana Sutra) and Vajradhatumandala is drawn based on Esoteric Buddhism scriptures called 'Kongocho-kyo' (Vajrasekhara Sutra).
胎蔵曼荼羅（大悲胎蔵生曼荼羅）は「大毘盧遮那成仏神変加持経」、金剛界曼荼羅は「金剛頂経」という密教経典をもとに描かれている。