Constant-temperature sofa

The utility model provides a constant-temperature sofa which comprises a sofa body, a sofa backrest, a heating element and a temperature control device, wherein the heating element is arranged in the sofa body, is electrically connected with the temperature control device and comprises a substrate and a thick-film heating circuit arranged on the substrate. The thick-film heating circuit has the characteristics of high-efficiency heat conduction, energy conservation and uniform temperature field, so that the heating element is greatly reduced in size compared with a conventional heating element. Therefore, the constant-temperature sofa disclosed by the utility model is more compact in structure, occupies less space, is attractive in appearance, low in energy consumption and high in heating efficiency; the temperature control device can keep the sofa at constant temperature, so that the use comfortableness is improved; the thick-film heating circuit is high in stability and difficult to age, so that the constant-temperature sofa is relatively long in service life and high in safety.