Heating device and steam electric appliance

The invention discloses a heating device and a steam electric appliance, the heating device comprises a heating disc assembly, a first heat source, a second heat source, a first temperature sensor and a second temperature sensor, the heating disc assembly is provided with a mounting surface and a heating surface which are oppositely arranged, the heating disc assembly is further provided with a convex hull protruding out of the heating surface, a mounting groove with an opening in one side of the mounting surface is formed in the convex hull; the first heat source is mounted on the groove bottom wall of the mounting groove; the second heat source is installed on the installation face, the first temperature sensor is arranged in the installation groove and connected with the groove bottom face of the installation groove, and the second temperature sensor abuts against the installation face. According to the technical scheme, the dry burning risk in the steam electric appliance is reduced, and the service life