Aerosol generating device with uniform and reliable heating and aerosol generating system

The utility model discloses an aerosol generating device and an aerosol generating system which are even and reliable in heating, and belongs to the technical field of novel tobaccos. The device comprises a power source, a shell and a heater, an insertion opening is formed in the top end of the shell, and an aerosol generating product is contained and detachably inserted into the shell; a heater disposed within the housing and configured to heat the aerosol-generating article inserted through the insertion port; the aerosol generating device further comprises an electrode, the heater is electrically connected with the power source through the electrode, and the electrode is matched with the heater in shape and is tightly attached to the heater in a surrounding mode. According to the aerosol generating device, under the condition that the size and the complexity of the aerosol generating device are not increased, the reliability and the heating uniformity of electric connection between the electrode and the he