Within other schools of the Nichiren sects, it belongs to Fujimon School (Nikkomon School), which embraces Nichiren Honbutsu Ron (the idea that Nichiren himself was an incarnation of the eternal Buddha) and Shoretsu School, and so on, as their doctrine, and is one of the powerful schools in the Fujimon School to which two honzan (head temple) of 'Komon Hachi Honzan' (eight major temples of Nikkomon School (Fujimon School)), Taiseki-ji Temple (Sohonzan (grand head temple)) and Shimojo Myoren-ji Temple (honzan (head temple)), belong.
日蓮系の諸宗派のなかでは、日蓮本仏論、勝劣派などを教義とする富士門流（日興門流）に属し、「興門八本山」のうち、大石寺（総本山）、下条妙蓮寺（本山）の二本山が所属する、富士門流中の有力宗派である。