Sliding connection type electronic cigarette

The utility model provides a sliding connection type electronic cigarette, in particular to an electronic cigarette capable of replacing a cigarette cartridge through rail type sliding connection and adjusting airflow, which comprises a host and the cigarette cartridge in sliding connection, the host comprises a first outer shell, a bottom shell buckled with the first outer shell, and a main board arranged between the first outer shell and the bottom shell, a sliding rail and a spring contact pin are arranged on the face, facing the smoke cartridge, of the bottom shell, and the spring contact pin is connected with the main board. The atomization assembly and the suction nozzle assembly are arranged at the two ends of the second shell respectively, the oil storage assembly is arranged in the second shell, and a sliding groove and a circuit board which are matched with the sliding rail and the spring contact pin respectively are arranged on the face, facing the bottom shell, of the second shell. According to th