The fall of the Mononobe clan settled the controversy which had started in Emperor Kinmei's time over whether to worship or to abandon Buddhism, and Emperor Sushun actively undertook the construction of temples, including Hoko-ji Temple (Asuka-dera Temple) and Shitenno-ji Temple.
物部氏の没落によって欽明天皇以来の崇仏廃仏論争に決着が付き、法興寺（飛鳥寺）や四天王寺などの、造寺事業を積極的に行った。