A light emitting diode reflector molding process, and a construction thereof includes preparation of a first and a second green sheet structures respectively provided with a first and a second open patterns with the porosity of the second open pattern smaller than that of the first open pattern; the second green sheet structure being placed on top of the first green sheet structure to such that both opening patterns being overlapped to each; a metallic layer being coated on the second green sheet structure, the second green sheet structure being molded along the opening pattern of and covering upon the first green sheet for the metallic layer to become the wall of the reflector opening.