During the period of the Northern and Southern Dynasties in China and Nara period in Japan, Buddhist services, such as Ninno-e festival and Saisho-e (lecture series based on the Suvarnaprabhasottama-sutra), were often held because it was believed that a country would be protected by recitation of these Buddhist scriptures.
この経典を供養することで国家が守護されるとされているところから、南北朝時代_(中国)の中国や奈良時代の日本で盛んに仁王会や最勝会などの法要が行われた。