Electronic cigarette cover

The invention relates to the technical field of cigarette lighter, in particular to an electronic cigarette cover. An ash-preventing ventilative slide inner tube is arranged in a ventilative outer tube and externally sleeves an ash-preventing ventilative fixed inner tube, the outer wall of the ash-preventing ventilative slide inner tube is provided with a spring retainer, an ignition piece loadingpart is arranged above a fixing ring which is arranged at the upper end of the ash-preventing ventilative slide inner tube, an ignition piece is mounted in the ignition piece loading part, and a battery is arranged above the ignition piece loading part. A spring sleeves the outer wall of the ash-preventing ventilative slide inner tube, upper and lower ends of the spring are connected with the spring retainer and an outer plastic cover, and the upper end of the outer plastic cover is connected with the ventilative outer tube. A fixing part is connected to the bottom of the ash-preventing ventilative fixed inner tube a