An electronic cigarette, comprising: an atomization assembly, the atomization assembly comprising a mouthpiece, a glass tube, a first seal ring sealing the glass tube, an atomizer comprising a head and a base, a second seal ring sealing the head, a vent tube, a third seal ring sealing the base of the atomizer, and an atomization core, the atomization core comprising a silica seal, a silica sleeve comprising a vent, a ceramic core, a pedestal, an first insulation ring, a heating tube, and a joint; and a battery assembly, the battery assembly comprising an electrode, a second insulation ring coating the electrode, a connector, a cartridge, a silica insulator, a battery core, a silica sleeve, a pneumatic switch, a USB-PCB, and a pedestal; wherein: the atomization assembly is directly connected to the battery assembly; the first seal ring is disposed in the mouthpiece; the second seal ring is sheathed on the head; the head is disposed on the vent tube; the vent tube is disposed on the base; the third seal ring is sheathed on the base; the ceramic core and the silica sleeve comprising a vent are disposed on the pedestal; the silica seal is disposed on the ceramic core; the first insulation ring is disposed in the pedestal; the heating tube is disposed on the joint; the joint is embedded in the first insulation ring; the atomization core is embedded in the base; the glass tube is sheathed on the base, and the mouthpiece is in threaded connection to the head; and the pneumatic switch comprises positive and negative poles connected to positive and negative poles of an output end of the USB-PCB; the pneumatic switch is disposed in the silica sleeve and connected to positive and negative poles of the battery core; the silica insulator is disposed on the battery core; the battery core is disposed in the cartridge; the second insulation ring is disposed in the connector; the electrode is disposed in the second insulation ring; the connector is fixed on the cartridge; the USB-PCB is disposed in the pedestal; and the pedestal is fixed on a terminal end of the cartridge. an atomization assembly, the atomization assembly comprising a mouthpiece, a glass tube, a first seal ring sealing the glass tube, an atomizer comprising a head and a base, a second seal ring sealing the head, a vent tube, a third seal ring sealing the base of the atomizer, and an atomization core, the atomization core comprising a silica seal, a silica sleeve comprising a vent, a ceramic core, a pedestal, an first insulation ring, a heating tube, and a joint; and a battery assembly, the battery assembly comprising an electrode, a second insulation ring coating the electrode, a connector, a cartridge, a silica insulator, a battery core, a silica sleeve, a pneumatic switch, a USB-PCB, and a pedestal; wherein: the atomization assembly is directly connected to the battery assembly; the first seal ring is disposed in the mouthpiece; the second seal ring is sheathed on the head; the head is disposed on the vent tube; the vent tube is disposed on the base; the third seal ring is sheathed on the base; the ceramic core and the silica sleeve comprising a vent are disposed on the pedestal; the silica seal is disposed on the ceramic core; the first insulation ring is disposed in the pedestal; the heating tube is disposed on the joint; the joint is embedded in the first insulation ring; the atomization core is embedded in the base; the glass tube is sheathed on the base, and the mouthpiece is in threaded connection to the head; and the pneumatic switch comprises positive and negative poles connected to positive and negative poles of an output end of the USB-PCB; the pneumatic switch is disposed in the silica sleeve and connected to positive and negative poles of the battery core; the silica insulator is disposed on the battery core; the battery core is disposed in the cartridge; the second insulation ring is disposed in the connector; the electrode is disposed in the second insulation ring; the connector is fixed on the cartridge; the USB-PCB is disposed in the pedestal; and the pedestal is fixed on a terminal end of the cartridge. the atomization assembly is directly connected to the battery assembly; the first seal ring is disposed in the mouthpiece; the second seal ring is sheathed on the head; the head is disposed on the vent tube; the vent tube is disposed on the base; the third seal ring is sheathed on the base; the ceramic core and the silica sleeve comprising a vent are disposed on the pedestal; the silica seal is disposed on the ceramic core; the first insulation ring is disposed in the pedestal; the heating tube is disposed on the joint; the joint is embedded in the first insulation ring; the atomization core is embedded in the base; the glass tube is sheathed on the base, and the mouthpiece is in threaded connection to the head; and the pneumatic switch comprises positive and negative poles connected to positive and negative poles of an output end of the USB-PCB; the pneumatic switch is disposed in the silica sleeve and connected to positive and negative poles of the battery core; the silica insulator is disposed on the battery core; the battery core is disposed in the cartridge; the second insulation ring is disposed in the connector; the electrode is disposed in the second insulation ring; the connector is fixed on the cartridge; the USB-PCB is disposed in the pedestal; and the pedestal is fixed on a terminal end of the cartridge.