The present invention discloses an electronic smoking device, comprising a power supply, a controller and a heater, wherein the heater is a cylindrical shape having in the middle a heating chamber into which a cigarette is inserted, and the heater comprises at least one heating unit comprising an electronic switch and an annular electric heating element; and the electric heating element is connected to the power supply by the electronic switch, and a control terminal of the electronic switch is connected to a control signal output terminal of the controller. In the present invention, tobacco in a cigarette is heated by an electric heater so that a smoker can just smoke nicotine produced by heating the tobacco. The electric heater will not produce naked flame and therefore the heated tobacco will not produce tar and carbon monoxide, so that the harm of the tobacco to the smoker can be reduced.