It is the first existing diary of the Emperor and it was called 'the three major gyoki' together with "Daigo tenno gyoki" (the Emperor Daigo's diary) and "Murakami tenno gyoki" (the Emperor Murakami's diary).
現存する天皇の日記として最初のもので、『醍醐天皇御記』『村上天皇御記』と共に「三代御記」と呼ばれた。