Vehicle-mounted luggage rack with double power supply modes

The invention discloses a vehicle-mounted luggage rack with double power supply modes. The vehicle-mounted luggage rack comprises a luggage support and is characterized in that the luggage support comprises a first support body, a second support body and solar devices, the solar devices are arranged at the two ends of the second support body, and electric heating wires are arranged on the first support body and/or the second support body; each solar device comprises a solar cell panel, a solar storage battery, a main controller and an electric heating wire power supply circuit. The main controller is connected with the solar cell panel and the solar storage battery. A switch is connected with the solar storage battery and the automobile storage battery and driven by the main controller, sothat the solar storage battery or the automobile storage battery supplies power to the electric heating wire power supply circuit in an alternative mode at the same time. The electric heating wires of the vehicle-mounted lug