The present invention discloses an electronic cigarette atomizing device, which comprises an atomizing sleeve, an oil supply unit mounted in the atomizing sleeve and a heating wire unit, the atomizing sleeve has its first end configured with a nozzle cover, and its second end configured with a connecting unit, the oil supply unit comprises an oil storage cotton for storing the smoke oil and an oil guiding member for guiding the smoke oil to the heating wire unit, the heating wire unit comprises a hollow spiral tubular heating wire, a ceramic tube and an electronic wire for connecting the heating wire to the connecting unit, the oil guiding member is made of non-fiberglass fiber material, wrapped around the heating wire to have a tubular shape and fixed by a fixing wire wound around an outer wall of the oil guiding member, and wrapped around an end of the ceramic tube.