The invention discloses an electronic cigarette. The electronic cigarette comprises an atomizing component for atomizing tobacco tar, and also comprises a first outer sleeve, and a drive circuit and a motor which are arranged in the first outer sleeve, wherein the inner wall of the first outer sleeve is provided with an inner thread structure; the outer wall of the atomizing component is provided with an outer thread structure; the atomizing component is screwed into the first outer sleeve; the first outer sleeve is axially provided with a limiting chute along the inner thread structure of the inner wall of the first outer sleeve; the outer wall of the motor is provided with a limiting bulge; the limiting bulge is inserted into the limiting chute, so that the motor can axially slide along the first outer sleeve; a drive shaft of the motor is connected with the end of the atomizing component to drive the atomizing component to be screwed in or screwed out of the first outer sleeve; and the drive circuit is in electrical connection with the motor to control the motor to rotate. The electronic cigarette has the advantage of excellent user experience.