Automotive Injection MoldingThe invention discloses an injection molding machine for automotive interior parts and a preparation method for the automotive interior parts. The injection molding machine comprises a bicolor vertical injection molding machine, wherein a compression molding mold and an injection mold are arranged in the bicolor vertical injection molding machine, wherein the compression molding mold is used for spreading an injection molding part into the injection mold, the injection mold comprises an upper |