It was written in classical Chinese and in chronological order, dealing with the national history ranging from Emperor Jinmu's reign to March 26 1094 (Emperor Horikawa's reign) in which chronicles of Japan and China based on a genealogical table of the Emperor were added, and besides that Rikkokushi and "Jikaku Taishi Den" (Biography of Bishop Jikaku), which contains the Buddhist related articles such as biographies of priests, history, and origins of temples were put in the book.
内容は、神武天皇より堀河天皇の寛治8年（1094年）3月2日(旧暦)までの国史について、帝王系図の類を基礎に和漢年代記を書入れ、さらに六国史や『慈覚大師伝』などの僧伝・流記・寺院縁起など仏教関係の記事を中心に、漢文・編年体で記している。