An electronic cigarette, comprising: a cigarette holder assembly; a threaded sleeve; a meshed heating disc; e-liquid conducting cotton; an e-liquid load module; and a base assembly; wherein the cigarette holder assembly comprises a cigarette holder, an air adjusting ring, and a threaded gasket; the air adjusting ring comprises a bottom wall and is embedded in the cigarette holder; the threaded gasket is in threaded connection to the air adjusting ring, and a plurality of holes is disposed in the bottom wall of the air adjusting ring; the e-liquid load module comprises a cotton support, an e-liquid feeding hopper, a threaded sleeve, a compression ring, a telescopic column, a spring, an anode connecting piece and an end plug; the spring, the telescopic column, the compression ring and the e-liquid feeding hopper are mounted in the anode connecting piece in that order; the cotton support is embedded in the anode connecting piece; the e-liquid conducting cotton, the meshed heating disc and the threaded sleeve cooperate with one another; the threaded sleeve is in an interference fit with the anode connecting piece; four ventilation holes are formed in the threaded sleeve; and the base assembly comprises a glass tube, a first seal ring, a second seal ring, a third seal ring, a base, an insulating piece and an electrode; the insulating piece is arranged in the base; the anode connecting piece passes through the insulating piece, combines with the electrode, and then is fixed on the base; the first seal ring, the second seal ring and the third seal ring are all arranged on the base; the first seal ring, the second seal ring and the third seal ring cooperate with the glass tube; the base comprises an upper thread ring integrated with the base, and the upper thread ring serves as a cathode of the meshed heating disc after being electrified; and wherein the meshed heating disc and the e-liquid conducting cotton are each in the shape of a flat disc; and the meshed heating disc is stacked on the e-liquid conducting cotton. a cigarette holder assembly; a threaded sleeve; a meshed heating disc; e-liquid conducting cotton; an e-liquid load module; and a base assembly; the cigarette holder assembly comprises a cigarette holder, an air adjusting ring, and a threaded gasket; the air adjusting ring comprises a bottom wall and is embedded in the cigarette holder; the threaded gasket is in threaded connection to the air adjusting ring, and a plurality of holes is disposed in the bottom wall of the air adjusting ring; the e-liquid load module comprises a cotton support, an e-liquid feeding hopper, a threaded sleeve, a compression ring, a telescopic column, a spring, an anode connecting piece and an end plug; the spring, the telescopic column, the compression ring and the e-liquid feeding hopper are mounted in the anode connecting piece in that order; the cotton support is embedded in the anode connecting piece; the e-liquid conducting cotton, the meshed heating disc and the threaded sleeve cooperate with one another; the threaded sleeve is in an interference fit with the anode connecting piece; four ventilation holes are formed in the threaded sleeve; and the base assembly comprises a glass tube, a first seal ring, a second seal ring, a third seal ring, a base, an insulating piece and an electrode; the insulating piece is arranged in the base; the anode connecting piece passes through the insulating piece, combines with the electrode, and then is fixed on the base; the first seal ring, the second seal ring and the third seal ring are all arranged on the base; the first seal ring, the second seal ring and the third seal ring cooperate with the glass tube; the base comprises an upper thread ring integrated with the base, and the upper thread ring serves as a cathode of the meshed heating disc after being electrified; and wherein the meshed heating disc and the e-liquid conducting cotton are each in the shape of a flat disc; and the meshed heating disc is stacked on the e-liquid conducting cotton.