Electronic cigarette, child lock assembly and operation method thereof

The invention relates to an electronic cigarette, a child lock assembly and an operation method thereof. The child lock assembly includes: a cartridge contact terminal; a tobacco rod contact terminal; the cigarette cartridge contact terminal and the cigarette rod contact terminal are detachably and relatively rotatably connected with each other through magnetic attraction; the child lock assembly is configured to switch between a closed state and an activated state by one of the following modes: (1) when the cartridge contact terminal is rotated to the power-off contact position, the child lock assembly is in the activated state; when the smoke cartridge contact terminal rotates to the conduction contact position, the child lock assembly is in a closed state; (2) when the cartridge contact terminal rotates and is at least continuously in a conducting contact position twice, the child lock assembly is electronically controlled to be in one of a closed state and an open state; when the cartridge contact termina