Atomizer and electronic cigarette using the same

An atomizer, comprising a liquid storage tube, a liquid adjustment assembly and an atomization head, wherein the liquid adjustment assembly comprises an adjustment ring and a first sleeve, the first sleeve is sleeved on an outer periphery of the atomization head, the liquid storage tube is sleeved on an outer periphery of the first sleeve, and the adjustment ring is exposed outside the liquid storage tube, the adjustment ring and the liquid storage tube together form an outline of the atomizer, the atomization head is formed with a first liquid inlet, and the first sleeve is formed with a second liquid inlet, the adjustment ring and the atomization head are relatively fixedly connected, so that the first liquid inlet is communicated with/staggered from the second liquid inlet by rotating the adjustment ring;

• or the adjustment ring and the first sleeve are relatively fixedly connected, so that the second liquid inlet is communicated with/staggered from the first liquid inlet by rotating the adjustment ring.