An embodiment provides a vehicle heating device comprising a heating module which is arranged toward passengers on a flow channel of air, connected to an air conditioning unit, to emit heat, wherein the heating module comprises a heating unit and an overheat protection means for preventing the heating unit from overheating above a predetermined temperature, and the heating unit heats the interior space of a vehicle through at least one of heat convection generated by heating the air and heat radiation obtained by radiating heat directly toward the passengers.