Unsen-Taikyoku's dairy Hekizan-nichiroku is excellent material for a study of the social and religious conditions around the Ōnin War, but it has been seldom given due consideration. This article will focus on the monk-author's approach to the three major Chinese chronicles to reevaluate the importance of the diary. There current topics in the turbulent times such as battles and famine are interpreted especially from the historical viewpoint of Kanjo-shō. Such interest in Chinese history and literature gives a glimpse of an academic trend of the age.