An electronic cigarette, comprising: a) a cigarette holder converter assembly, the cigarette holder converter assembly comprising: a cigarette holder part and a converter part; the cigarette holder part comprising: an inner casing, a cigarette holder, and a first sealing ring for sealing the cigarette holder; the converter part comprising: a cigarette holder connector, an upper sealing ring, an inner sealing ring, and an outer sealing ring; b) an atomization core assembly; c) a base assembly; and d) an e-liquid storage assembly, the e-liquid storage assembly comprising a first regulating ring comprising a neck; wherein: the inner casing, the cigarette holder, and the first sealing ring are integratedly assembled to form the cigarette holder part; the cigarette holder connector, the upper sealing ring, the inner sealing ring, and the outer sealing ring are integratedly assembled to form the converter part; the cigarette holder part is connected to the e-liquid storage assembly via the cigarette holder connector; the cigarette holder part and the converter part are connected through interference fit; the cigarette holder converter assembly and the e-liquid storage assembly are connected through interference fit; the cigarette holder converter assembly is locked by the neck when the cigarette holder converter assembly is inserted into the e-liquid storage assembly to a target position; and when the cigarette holder converter assembly is inserted into the e-liquid storage assembly and reaches the target position, the cigarette holder converter assembly is adapted to rotate to regulate a gas flow via a top part of the electronic cigarette; characterized in that the cigarette holder converter assembly, the e-liquid storage assembly, the atomization core assembly, and the base assembly are connected in sequence. a) a cigarette holder converter assembly, the cigarette holder converter assembly comprising: a cigarette holder part and a converter part; the cigarette holder part comprising: an inner casing, a cigarette holder, and a first sealing ring for sealing the cigarette holder; the converter part comprising: a cigarette holder connector, an upper sealing ring, an inner sealing ring, and an outer sealing ring; b) an atomization core assembly; c) a base assembly; and d) an e-liquid storage assembly, the e-liquid storage assembly comprising a first regulating ring comprising a neck; the inner casing, the cigarette holder, and the first sealing ring are integratedly assembled to form the cigarette holder part; the cigarette holder connector, the upper sealing ring, the inner sealing ring, and the outer sealing ring are integratedly assembled to form the converter part; the cigarette holder part is connected to the e-liquid storage assembly via the cigarette holder connector; the cigarette holder part and the converter part are connected through interference fit; the cigarette holder converter assembly and the e-liquid storage assembly are connected through interference fit; the cigarette holder converter assembly is locked by the neck when the cigarette holder converter assembly is inserted into the e-liquid storage assembly to a target position; and when the cigarette holder converter assembly is inserted into the e-liquid storage assembly and reaches the target position, the cigarette holder converter assembly is adapted to rotate to regulate a gas flow via a top part of the electronic cigarette; characterized in that the cigarette holder converter assembly, the e-liquid storage assembly, the atomization core assembly, and the base assembly are connected in sequence.