The present disclosure provides an electronic cigarette. The electronic cigarette includes a battery box. The battery box includes a support, a Printed Circuit Board (PCB) accommodated in the support, and a button assembly connected to the support. The button assembly includes a first casing, a first magnet arranged in the first casing, and a second magnet abutting against the first magnet. The support defines a limiting hole configured for accommodating the second magnet. The second magnet is connected to the PCB. The electronic cigarette is simple in overall structure and is convenient to carry, and the button has a long service life.