The utility model relates to a combined electric heating device, the main structure of which comprises a heating pad body, a detachable connecting piece arranged at two ends of the heating pad body respectively, a heating cap body of arch structure, the two ends of the heating cap body are connected with the heating pad body through the connecting piece, and a shielding piece arranged at two sides of the heating cap body deviating from the connecting piece respectively.According to the above structure, the heating cover body is arched structure and installed on the heating pad body, and the left and right ends of the heating cover body are connected with the heating pad body, and the front and rear sides of the heating cover body are respectively provided with shielding parts.The utility model has the advantages of light overall appearance, simple disassembly and assembly, convenient carrying, and the heating cover body and heating pad system are respectively composed of different materials in layers, so that the new model can be used in the field of physical therapy, can promote blood circulation and discharge toxins through sweat.本新型為有關一種組合式電熱裝置，主要結構包括一發熱墊體、一分別設於該發熱墊體兩端且為可拆卸式之連接件、一為拱形結構之發熱蓋體，該發熱蓋體兩端係透過該連接件與該發熱墊體結合、及一分別設於該發熱蓋體背離該連接件之兩側處的遮擋件。藉上述結構，發熱蓋體為拱形結構且裝設在發熱墊體上，且發熱蓋體左右兩端與發熱墊體連接，而發熱蓋體連通的前後兩側分別有遮擋件。整體外形輕巧、拆卸組裝簡便、利於攜帶，且發熱蓋體及發熱墊體係分別以不同的材料分層依次構成，使本新型可用運於理療領域，可促進血液循環並通過汗液排出毒素。
