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. <EOS>