日本日蓮宗三大秘法之一。謂十界曼荼羅為本尊也。十界曼荼羅為日僧日蓮所始，中央書妙法蓮華經五字，左右圖各種天部諸尊，以表十界互具，示無作三身之佛形者。
The especial honoured one of the Nichiren sect, Svādi-devatā, the Supreme Being, whose maṇḍalais considered as the symbol of the Buddha as infinite, eternal, universal. The Nichiren sect has a meditation 本門事觀 on the universality of the Buddha and the unity in the diversity of all his phenomena, the whole truth being embodied in theLotus Sutra, and in its title of five words, 妙法蓮華經 Wonderful-Law Lotus-Flower Sutra, which are considered to be the embodiment of the eternal, universal Buddha. Their repetition preceded by 南無 Namah ! is equivalent to the 歸命 of other Buddhists.
一本門本尊 日本日蓮宗三大祕法之一。指十界曼荼羅。十界曼荼羅係中央書寫妙法蓮華經五字，左右圖以各種天部諸尊，以表十界互具，示無作三身之佛形者。修三大祕法之行者以十界曼荼羅為久遠本佛之具象化，奉為本尊而歸依之，故稱之為本門本尊。〔三大祕法鈔、三大祕法指要鈔〕p2477
本門本尊總目錄 日本日蓮宗三大秘法之一。指十界曼荼羅。所謂十界曼荼羅係中央書寫「妙法蓮華經」五字，左右圖以各種天部諸尊，以表十界互具，示無作三身之佛相。實修三大秘法行者，以十界曼荼羅為久遠本佛，奉為本尊而歸依之，故稱為本門本尊。 〔三大秘法鈔、三大秘法指要鈔〕