Introduction to the main hall of the Memorial Hall: is a Tang-style building, with five bays in width and five columns in depth, with a verandah-style concrete brick forest structure. There is a three-meter-high wooden statue of Master Kukai in the hall, with silk mandala hangings on both sides. The hall is equipped with an offering table, an ever-burning lamp, a Zen altar, Buddhist instruments, etc. Also on display are models of Japan’s 17 envoy ships sent to the Tang Dynasty sent to the Tang Dynasty by the Koyasan Shingon sect and various pilgrim groups, bronze statues of pilgrims to King Sanbramei, scriptures, various banners, calligraphy works, etc. The couplet in front of the hall: "Good neighbors are loyal to each other and we are friends, and our love has never ceased through the ages." It is written in the handwriting of Takeuchi Takamine, the administrator of the Koyasan Shingon Sect.