Atomizer and electronic cigarette having the same

An atomizer comprising a liquid storage assembly, an air guiding assembly connected to an upper end of the liquid storage assembly, and an atomizing assembly received in the liquid storage assembly, wherein the liquid storage assembly comprises a liquid storage pipe, an inner space of the liquid storage pipe forms a liquid storage chamber, the air guiding assembly comprises an air intake cover connected to the liquid storage assembly and an air outlet pipe connected to the air intake cover, at least one air intake hole is defined in a side wall of the air intake cover, an inner space of the air outlet pipe forms an air outlet passage, the atomizing assembly comprises an atomizing head and a vent pipe connected to an upper end of the atomizing head, a lower end of the air outlet pipe is received in the vent pipe, a space between an inner wall of the vent pipe and an outer wall of the air outlet pipe forms an air inlet passage communicating with the air intake hole, an interior of the atomizing head is in communication with the air inlet passage and the air outlet passage, respectively.