an atomizer and an electronic cigarette . the electronic cigarette includes an electronic cigarette body . sequentially provided on the electronic cigarette body are a mouthpiece cover , an atomizing component , and a battery component . the mouthpiece cover covers an end surface of the atomizing component . provided within the atomizing component are an e - liquid storage space used for storing an e - liquid , an atomizing core used for atomizing the e - liquid and electrically connected to the battery component , and a smoke channel used for discharging smoke to the mouthpiece cover and extended along the axis of the atomizing component . at least two smoke outlet gaps in communication with the smoke channel are formed on the end surface of the mouthpiece cover . the smoke outlet gaps are extended from the center of the end surface of the mouthpiece cover towards the periphery of the end surface of the mouthpiece cover .