However, it is pointed out that the theory of "Shinto Gobusho" (five-volume apologia of Shinto), the foundational book of the Ise Shinto, is influenced by "Yamatokatsuragihozan-ki," a book that discusses Shintoism from a Buddhist perspective, particularly Shugendo (Japanese mountain asceticism-shamanism incorporating Shinto and Buddhist concepts).
しかし、その根本経典である『神道五部書』の論理には仏教特に修験道の立場からなされた神道説の書『大和葛城宝山記』などの影響が指摘されている。