According to "Shorai Mokuroku," what Kukai brought back from Tang was huge, including various Buddhist scriptures (216 bu (parts), 461 volumes, including newly translated Kyo-Ron), Ryobu-dai-Mandala, Soshi-zu painting (paintings of the founders of Esoteric Buddhism), mikkyo hogu, and Ajari fushokubutsu.
唐から空海が持ち帰ったものは『請来目録』によれば、多数の経典類（新訳の経論等216部461巻）、両部大曼荼羅、祖師図、密教法具、阿闍梨付属物等々膨大なものである。