The history of the Shingon sect Sennyu-ji school began when Shunjo made Sennyu-ji a dojo (place of Buddhist practice or meditation) of Shishu or Yonshu kengaku (learning the four sects of Buddhism) i.e. Mitsu (Tendai and Shingon), Zen, Ritsu and Jo and restored the temple.
真言宗泉涌寺派の歴史は、泉涌寺を密（天台・真言）・禅・律・浄の四宗兼学の道場として、俊芿が中興したことにより始まる。