An electronic cigarette, including an atomizing assembly and a battery assembly. The atomizing assembly is disposed on the battery assembly. The atomizing assembly includes a mouthpiece cover, a mouthpiece, a seal holder, a first seal ring, an atomizing core, a silica ring, a first fixed seat, a joint, an insulation seat, a regulating ring, a fixed screw, an e-liquid container, an e-liquid feeder, a second seal ring, a first spring, an e-liquid guider, and a plug. The battery assembly includes a button, a decoration cover, second springs, switch buttons, a decoration ring, a button cap, a light guide, a second fixed seat adapted to fixing a printed circuit board, output electrodes, a third seal ring adapted to seal the output electrodes, third springs, fixed rings adapted to fix the output electrodes, a silica plug, a mainboard, a battery cell, and a base support.
