The present invention discloses a scented wax heating device, which includes a heating cylinder, an electric wire, and a ceramic heating piece installed at the bottom of the heating cylinder. The heating cylinder is installed in an insulating cylinder for an insulating effect, so that a user can freely move the heating device. The heating cylinder is filled with appropriate amount of water, and the scented wax is put into the heating cylinder. The heating cylinder is heated by the ceramic heating piece, so that the temperature of water in the heating cylinder rises to evenly vaporize the scented wax. The invention features a simple structure and a useful function.