A device, comprising: 1)a cover; 2)a first sleeve; 3)a silicone gasket; 4)a first heating unit; 5)a second heating unit; 6)a first support supporting the first heating unit; 7)a second support supporting the second heating unit; 8)two electrodes; 9)a third support supporting the two electrodes; 10) a printed circuit board; 11) a silicone seal; 12) a pneumatic switch; 13) a fourth support supporting the pneumatic switch; 14) a second sleeve; 15) a thread ring; 16) a button; 17) a support frame; 18) a base frame; 19) a control plate; 20) a light guide column; 21) a battery; 22) a first cover; and 23) a second cover; wherein: the cover is disposed on a side wall of the base frame and is capable of turning inside out with respect to the side wall; the first sleeve is disposed in the base frame and comprises an opening configured to receive a cigarette, and the cover is adapted to cover or uncover the opening; the silicone gasket is disposed in the first sleeve; the first heating unit is disposed on the first support; and the first heating unit and the first support are disposed in the first sleeve; the second heating unit is disposed on the second support; the two electrodes are disposed on the third support; and the two electrodes and the third support are disposed in the second support; the second support is disposed in the base frame; the silicone seal sleeves the printed circuit board; the printed circuit board is disposed on the fourth support; the pneumatic switch, the second sleeve, and the thread ring are embedded sequentially in that order in the fourth support; and the fourth support is screwed to the second support; and the light guide column is disposed on the control plate, and the control plate is disposed on the base frame; the button is disposed in the support frame; the battery is disposed in the base frame; and the first cover and the second cover cover two opposite sides of the base frame, respectively. 1)a cover; 2)a first sleeve; 3)a silicone gasket; 4)a first heating unit; 5)a second heating unit; 6)a first support supporting the first heating unit; 7)a second support supporting the second heating unit; 8)two electrodes; 9)a third support supporting the two electrodes; 10) a printed circuit board; 11) a silicone seal; 12) a pneumatic switch; 13) a fourth support supporting the pneumatic switch; 14) a second sleeve; 15) a thread ring; 16) a button; 17) a support frame; 18) a base frame; 19) a control plate; 20) a light guide column; 21) a battery; 22) a first cover; and 23) a second cover; the cover is disposed on a side wall of the base frame and is capable of turning inside out with respect to the side wall; the first sleeve is disposed in the base frame and comprises an opening configured to receive a cigarette, and the cover is adapted to cover or uncover the opening; the silicone gasket is disposed in the first sleeve; the first heating unit is disposed on the first support; and the first heating unit and the first support are disposed in the first sleeve; the second heating unit is disposed on the second support; the two electrodes are disposed on the third support; and the two electrodes and the third support are disposed in the second support; the second support is disposed in the base frame; the silicone seal sleeves the printed circuit board; the printed circuit board is disposed on the fourth support; the pneumatic switch, the second sleeve, and the thread ring are embedded sequentially in that order in the fourth support; and the fourth support is screwed to the second support; and the light guide column is disposed on the control plate, and the control plate is disposed on the base frame; the button is disposed in the support frame; the battery is disposed in the base frame; and the first cover and the second cover cover two opposite sides of the base frame, respectively.