Electric warming device on wall

The utility model relates to an electric warming device on wall, composed of a casing, an electric heating body, a circulating device, and a heat exchanging device. The electric heating body, a heat exchanger of the heat exchanging device, an overflow pipe, and a temperature sensor are arranged in the casing, the casing is communicated with a radiator by a heating water inlet pipe and a heating output pipe of the circulating device, and the heat exchanger of the heat exchanging device is respectively communicated with a water inlet pipe and a spray head. Heating time, heating temperature, and hot water for bathing are controlled by a microcomputer according to needs of users. The utility model has the advantages of low cost, high safety, cleaning, no noise or pollution, no need of maintenance, no occupation area, and convenient use and installation. The utility model can make rooms warm earlier before people entering the rooms and make power switched off earlier before people walking out of the rooms.