The invention provides an electronic lock body which comprises a lock body housing as well as an upper lock tongue, a middle lock tongue, a lock core hole, a handle hole, a drive mechanism, an upper lock tongue and middle lock tongue drive mechanism, an upper lock tongue drive piece, an upper lock tongue opening piece and an upper lock tongue guide device which are mounted in the lock body housing, wherein the upper lock tongue, the middle lock tongue, a lock core and the handle hole are arranged in the lock body housing in sequence from the top down; a drive mechanism is connected with a handle in the handle hole and used for driving the upper lock tongue and middle lock tongue drive mechanism; and the upper lock tongue and middle lock tongue drive mechanism is used for driving the lock core of the upper lock tongue or the middle lock tongue to drive the upper lock tongue to move independently through the upper lock tongue drive piece, the upper lock tongue opening piece and the upper lock tongue guide device under the drive action of the lock core in the lock core hole or the handle in the handle hole. According to the electronic lock body, the position of the handle hole is lower, and the overall structure is optimized, so that the appearance is more attractive, the transmission structure in the lock body is more reasonable, and the lock core is absolutely prevented from being jammed.