Vehicle-mounted millimeter wave radar module and vehicle

The utility model discloses a vehicle-mounted millimeter wave radar module and a vehicle. The vehicle-mounted millimeter-wave radar module comprises a millimeter-wave radar, a support and a wire harness. A positioning structure is arranged on the support, and the positioning structure comprises a plurality of positioning holes and a plurality of fastening holes and is used for fastening the support on a vehicle body. The millimeter-wave radar comprises a body and a plurality of mounting pieces connected with the body, and positioning columns are arranged on the support and used for being matched with the mounting pieces to mount the millimeter-wave radar on the support. A clamping groove is further formed in the support and used for being matched with the buckling piece to fix the wire harness connected with the millimeter wave radar to the support in a bent mode. According to the vehicle-mounted millimeter-wave radar module provided by the embodiment of the invention, the millimeter-wave radar is mounted on