Magnesium alloy vehicle display backboard

The utility model discloses a magnesium alloy vehicle display backboard which comprises a backboard body made of magnesium alloy materials, two kinds of clamping grooves are machined in the backboard body along the periphery, and the clamping grooves comprise a plurality of rectangular clamping grooves formed in the periphery of the front face of the backboard body and a plurality of T-shaped clamping grooves formed in the periphery of the back face of the backboard body. Six threaded holes are formed in the front face of the back plate body, a lead through hole is formed in the front face of the back plate body in a penetrating mode, and two lead clamping grooves communicated to the lead through hole are formed in the back face of the back plate body; a plurality of heat dissipation convex ribs are arranged on the back face of the back plate body and intersect longitudinally and transversely to form a square, rectangular, triangular or prismatic heat dissipation cavity. The utility model is formed by die-cas