He spread Buddhism over Japan and when Hokoji Temple (built by SOGA no Zentoko, now known as Asukadera Temple Angoin) was completed in 596, he lived together with Eso, a priest from Baekje, and they were called as the Toryo (leader) of Sampo (three 3 treasures of Buddhism).
仏教を日本に広め、推古天皇4年（596年）法興寺（蘇我善德が寺司、現在の飛鳥寺安居院）が完成すると百済の僧慧聡（えそう）と住し、ともに三宝の棟梁と称された。