Omosu Honmon-ji Temple, which was former sohonzan (grand head temple) of Honmon Sect with shumuin, is counted as one of the 7 grand honzan temples of Nichiren Sect, and with other honzan temples and branch temples of Fujimon School, keeps its original creed as Nikkomon School inside the Nichiren Sect, which has Icchi School and Shaka Honbutsu Ron (creed which regards Shaka as the principal image) as its mainstream.
かつて本門宗の総本山で、宗務院がおかれていた重須本門寺は、日蓮宗の七大本山のひとつに列せられ、富士門流の他の本山や末寺とともに、一致派、本仏釈迦本仏論が主流の日蓮宗の内部で、日興門流独自の教義を維持している。