Hidden luminous automobile front grille processing method

The invention discloses a hidden luminous automobile front grille processing method, which belongs to the technical field of automobile exterior decoration processing, and comprises the following steps: 1) carrying out injection molding on transparent plastic to form the front surface of a transparent mask, and then carrying out injection molding on opaque plastic to be attached to the back surface of the transparent mask; (2) a plurality of grooves are formed in the back face through laser etching, the depth of the grooves exceeds the thickness of the opaque layer, and a transparent mask is obtained; 3) performing injection molding on plastic to form a light scattering plate; (4) plastic is subjected to injection molding to form a grating supporting plate, a plurality of lamp holes are formed in the two ends of the grating supporting plate in a laser etching mode, a middle lamp panel is installed above the middle of the front face of the grating supporting plate, and side lamp panels are installed at the two