Heating device convenient for highway maintenance

The utility model discloses a heating device facilitating road maintenance, which relates to the field of heating devices and comprises a device body, a hand push rod is arranged at the rear end of the device body, a heat source box is arranged in the device body, and a hot air box is arranged at the lower end of the heat source box and located at the bottom end in the device body. An air outlet is formed in the bottom end of the hot air box, air is evenly distributed in the bottom end of the hot air box, air return channels are formed in the two sides of the outer surface of the hot air box,the bottom ends of the air return channels are not sealed, air return boxes are arranged at the upper ends of the air return channels and communicated with the air return channels, and the air returnboxes are arranged above the hot air box. A fan is arranged at the top end in the air return box, an air channel is formed in the upper end of the air return box, an air inlet of the fan extends intothe air channel, and a driv