Its dedicated efforts on behalf of social welfare became widespread throughout Japan, but it declined rapidly after Choan DAIDO's nirvana in 1908, partly due to the lack of a successor.
社会福祉に力を注ぎ全国に教線を拡大したが、明治41年（1908年）に大道長安が入寂すると後継者がいないこともあって急速に衰退。