According to "Koninshiki" (the supplemental law determined in the Konin Era) and so on, the major learning subject was basically an official history of Chinese history, and lectures of "Shiki" (the Chinese Historical Records), "Kanjo" (Historical Records of the Han Dynasty) and "Gokanjo" (Historical Records of the Later Han Dynasty), so-called 'Sanshi' (three historical records of ancient China), and "Jun shu"(History of the Jin Dynasty), "Monzen" (ancient Chinese poems) (book) and so on were given.
『弘仁式』などによれば基本的には中国史の正史の学習が中心であり、『史記』・『漢書』・『後漢書』のいわゆる「三史」や『晋書』・『文選(書物)』などが講義されたという。