Electronic cigarette convenient to inject oil

The electronic cigarette comprises an installation shell, an installation base arranged in the installation shell, a cigarette cartridge shell connected to the installation base and a suction nozzle shell detachably connected to the cigarette cartridge shell, an air suction pipe communicated with an inner cavity of the suction nozzle shell is arranged in the cigarette cartridge shell in a sealed and penetrating mode, and the cigarette cartridge shell is provided with a sealing base; an oil storage cavity for storing tobacco tar is formed by the sealing seat, the inner wall of the smoke cartridge shell and the outer wall of the air suction pipe, an atomization device for atomizing the tobacco tar is arranged in the air suction pipe, an oil injection hole is formed in the sealing seat, and the suction nozzle shell is provided with a plugging column for plugging the oil injection hole. The electronic cigarette has the advantage that the use cost of the electronic cigarette is reduced. 本申请涉及一种便于注油的电子烟，包括安装壳体、内置于安