The stream of invocation of the Buddha's name was taken over by Ryonin, a founder of the Yuzu Nenbutsu sect, at the end of the Heian period in Japan, and the invocation by the Yuzu Nenbutsu sect recited 'Namu Amidabutsu' and was later called Dai Nenbutsu (大念仏).
称名念仏の流れは、平安時代末期の日本において、融通念仏の祖の良忍に受け継がれ、その後の融通念仏宗では「南無阿弥陀仏」と称え、「大念仏」という。