The utility model discloses a segmented heating device based on nanometer far infrared rays and an electronic cigarette, and the segmented heating device based on nanometer far infrared rays comprisesa heat conduction part, and a heating cabin capable of being filled with tobacco shreds is formed in the heat conduction part; heating assembly, the heating assembly comprises a nanometer far infrared coating located on the surface of the heating piece. the plurality of conductive coatings are positioned on the nano far infrared coating; the nanometer far-infrared coating is divided into a plurality of sections by the plurality of conductive coatings, the conductive coatings are electrically connected with an external power supply so as to electrify the nanometer far-infrared coating, and thenanometer far-infrared coating generates infrared light after being electrified so as to heat tobacco shreds in the heating bin in a sectional mode. According to the technical scheme, the cigarette products are heated in a nanometer far infrared segmented mode, heating efficiency can be balanced, good smoking taste is achieved, and meanwhile use safety can be guaranteed.