Electronic cigarette

An electronic cigarette comprising an atomizer, a power supply device detachably connected to the atomizer, and a sensor, wherein the atomizer is provided with a smoke outlet channel arranged along a central axis of the atomizer, a first induction air passage arranged offset from the central axis of the atomizer and located at one side of the smoke outlet channel, and a first communication hole communicating with the first induction air passage, both the smoke outlet channel and the first induction air passage extend along an axial direction of the atomizer, and the first induction air passage is isolated from the smoke outlet channel;

• the power supply device is provided with a second induction air passage and a second communication hole communicating with the second induction air passage;
• the sensor is accommodated in the second induction air passage, the quantity of either the first communication hole or the second communication hole is set to be at least one, and the quantity of the other one is set to be at least two;
• when the atomizer is connected at different angles with respect to the power supply device, at least one of the first communication holes is in communication with at least one of the second communication holes to cause the first induction air passage and the second induction air passage to communicate with each other.