The middle stage of Mikkyo, as opposed to the Mahayana Buddhism in which a form of Shakamuni was preached, compiled Mikkyo sutras consisting of the teachings of 大毘盧遮那仏（Mahāvairocana), or Dainichinyorai by another name.
中期密教では釈尊（Bhagavān）が説法する形式をとる大乗経典とは異なって、その別名を大日如来と呼ぶ大毘盧遮那仏（Mahāvairocana）が説法する形で密教経典を編纂してゆく。