He also wrote his diary called "The diary of the Emperor Hanazono" (Shinki), and he often practiced sutra-chanting and Buddhist invocation, it is said he was well acquainted with the literature and was a religious person.
他にも『花園天皇宸記』と言う日記を残したり、読経・念仏を欠かさなかったなど、文人肌で信心深かったと言われている。