Two-wire communication electronic cigarette and method

The invention provides a two-wire communication electronic cigarette and method. The electronic cigarette comprises a cigarette rod and a cigarette cartridge. The cigarette rod and the cigarette cartridge are in two-contact connection, the cigarette rod comprises a first port and a second port, the cigarette cartridge comprises a third port and a fourth port, the first port is connected with the third port, and the second port is connected with the fourth port; or the first port is connected with the fourth port, and the second port is connected with the third port. The cigarette rod sends authentication information to the cigarette cartridge through the two contacts; sending confirmation information to the cigarette rod through the cigarette cartridge according to the authentication information; and the cigarette rod receives confirmation information returned by the cigarette cartridge. 本申请提供一种两线通讯的电子烟及方法。所述电子烟包括烟杆和烟弹；所述烟杆与所述烟弹为两触点连接，所述烟杆包括第一端口和第二端口，所述烟弹包括第三端口和第四端口，所述第一端口与所述第三端口连接，所述第二端口与所述第四端口连接；或者所述第一端口与所述