Tobacco heating device and heating non-combustion type electronic atomizer

The utility model discloses a tobacco heating device which comprises an outer pipe, a porous heating body and a smoke pan heating pipe, the porous heating body and the smoke pan heating pipe are contained in the outer pipe, the smoke pan heating pipe is of a hollow cavity structure with an opening in the top and a bottom plate at the bottom, and a heating cavity used for containing and heating tobacco is formed in the smoke pan heating pipe. The outer wall face of the smoke pan heating pipe is coated with a conductive heating layer, the porous heating body is located below the smoke pan heating pipe, porous gaps allowing gas to pass through are distributed in the porous heating body, a plurality of air inlet holes are formed in the bottom plate in a penetrating mode, and the gas can enter the smoke pan heating pipe from the porous heating body through the air inlet holes. According to the utility model, a dual heating mode of bottom heating of the porous heating body and circumferential heating of the smoke p