A driving assembly of an electronic lock includes a circuit board, a motor, and an actuating cam. The abutting plate has a stopper portion and an accommodating opening. The actuating cam rotate into the accommodating opening so as to drive the abutting plate moving back and forth in a straight line. A latch assembly includes a locking column, and a buckling slot is provided at an outer periphery of the locking column. The stopper group includes a tongue pillar, a first resilience component and a tongue bolt. The tongue pillar is inserted in the buckling slot. The abutting plate moves back and forth that makes the stop portion to selectively block the tongue bolt.