An electronic cigarette adopting organic cotton includes a liquid storage component and an atomizing device, the atomizing device includes a hollow spiral heating wire, a liquid guiding member inserted in the heating wire, the liquid guiding member is made of non-fiberglass organic cotton materials; the atomizing device further includes a smog conduit inserted in the liquid storage component for supporting the liquid storage component and serving as a channel for the smog, the smog conduit comprises an outer sleeve and an inner sleeve, one inserted into another to position the liquid guiding member therebetween, and the liquid guiding member has its opposite ends respectively to be protruded out of an outer sidewall of the smog conduit and firmly abut against an inner sidewall of the liquid storage component. This kind of electronic cigarettes is harmless to the human body and has stable and reliable inner structure.