Daigen Suiho is a ritual in which practitioners pray to an image of Daigensui Myoo for the defeat of enemies and traitors as well as the security of the nation that was introduced to Japan's Horin-ji Temple (Ikaruga-cho) from Tang Dynasty China by Jogyo in the year 839.
大元帥明王を本尊として、怨敵・逆臣の調伏、国家安泰を祈って修される法で、839年（承和(日本)6年）常暁が唐から法輪寺(斑鳩町)に伝えた物。