A heating appliance, comprising: an appliance body ; and a projection assembly which is mounted on the appliance body and is able to project a projection toward an outside of the appliance body ; wherein the projection assembly comprises: a lens ; and a display apparatus which is able to emit projection light rays and irradiate the lens with the projection light rays to form the projection outside the appliance body by the lens ; wherein the display apparatus comprises a light transmitting member and a light emitting source , the light transmitting member is provided with information to be projected, the light emitting source , the light transmitting member , and the lens are sequentially spaced apart along the same direction, and light rays emitted by the light emitting source are able to be shined onto the light transmitting member , and are able to be shined onto the lens through the light transmitting member ; characterized in that the light transmitting member is provided with a plurality of areas, each of which is provided with the information to be projected, and the light from the light emitting source is able to be shined onto at least one area on the light transmitting member , wherein the light transmitting member is able to move relative to the light emitting source , and the irradiation area of the light emitting source on the light transmitting member is able to be adjusted by movement of the light transmitting member ; and wherein the projection assembly is movably mounted on the appliance body , and the projection size of the projection assembly and/or the projection angle of the projection assembly is able to be adjusted by the movement of the projection assembly . an appliance body ; and a projection assembly which is mounted on the appliance body and is able to project a projection toward an outside of the appliance body ; wherein the projection assembly comprises: a lens ; and a display apparatus which is able to emit projection light rays and irradiate the lens with the projection light rays to form the projection outside the appliance body by the lens ; a lens ; and a display apparatus which is able to emit projection light rays and irradiate the lens with the projection light rays to form the projection outside the appliance body by the lens ; wherein the display apparatus comprises a light transmitting member and a light emitting source , the light transmitting member is provided with information to be projected, the light emitting source , the light transmitting member , and the lens are sequentially spaced apart along the same direction, and light rays emitted by the light emitting source are able to be shined onto the light transmitting member , and are able to be shined onto the lens through the light transmitting member ; characterized in that the light transmitting member is provided with a plurality of areas, each of which is provided with the information to be projected, and the light from the light emitting source is able to be shined onto at least one area on the light transmitting member , wherein the light transmitting member is able to move relative to the light emitting source , and the irradiation area of the light emitting source on the light transmitting member is able to be adjusted by movement of the light transmitting member ; and wherein the projection assembly is movably mounted on the appliance body , and the projection size of the projection assembly and/or the projection angle of the projection assembly is able to be adjusted by the movement of the projection assembly . <EOS>