An electronic cigarette and a method of controlling the electronic cigarette are disclosed, the electronic cigarette includes a controller； and at least one air pressure sensor coupled with the controller； the at least one air pressure sensor is configured for detecting a first air pressure in an air flow path of the electronic cigarette and a second air pressure of an ambient atmosphere where the electronic cigarette is located, and sending the first air pressure and the second air pressure to the controller； the controller is configured for receiving the second air pressure and the first air pressure and controlling an atomizer to be on/off based on a pressure differential between the first air pressure and the second air pressure.
