The invention is related to an electronic cigarette comprises an atomizer and a battery rod connected with each other, a first connector and a second connector connect the atomizer and the battery rod, a fastener is arranged on the first connector, a butting groove is arranged on the second connector, a guide groove extending axially of the battery rod and a clamping groove extending circumferentially of the battery rod and communicated with the guide groove are arranged on the sidewall of the butting groove, the fastener is clamped into the clamping groove, a first magnetic member is arranged on the second connector, and a second magnetic member for attracting the first magnetic member to prevent the fastener-from being rotated back into the guiding groove is arranged on the first magnetic member. The electronic cigarette is firm in connection and simple in operation.
