An imitation metal engineering plastic composite material, with a composition comprising: an engineering thermoplastic with a weight percentage between 5%∼51%; a high-density filler, with a weight percentage between 42%∼90%; a mineral powder, with a weight percentage between 0%∼33%; a glass fiber, with a weight percentage between 0%∼29%; a toughener, with a weight percentage between 3%∼20%; a coupling agent, with a weight percentage between 0.5%∼4%; a lubricant, with a weight percentage between 0.3%∼2%; and an antioxidant, with a weight percentage of between 0.2%∼0.5%, wherein the weight percentage is based on the total weight of imitation metal engineering plastic composite material, wherein the engineering thermoplastic is a compound selected from the collection of polyamide and polybutylene terephthalate, and the high-density filler is a metal powder having a density between 4∼10g/cm 3 and an average granule diameter between 0.1∼100μm, and the mineral powder is an inorganic mineral powder having an average granule diameter between 0.1∼20μm, and the toughener is one selected from the collection of polyamide elastomer, maleic anhydride grafted polyolefin elastomer and maleic anhydride grafted styrene, and the coupling agent is a compound selected from the collection of a titanate coupling agent, an aluminate coupling agent, a zirconate coupling agent, and a silane coupling agent, and the lubricant is one selected from the collection of ethylene bis stearamide, ethylene bis lauramide, ethylene bis oleamide, ethylene bis stearamide graft modification substance, and fluoroelastomer, polytetrafluoroethylene powder, and the antioxidant is a compound selected from the collection of tetrakis[methylene-β-(3,5-di-tert-butyl-4-hydioxyphenyl)-propionate]methane, antioxidant 1010, and tris(2,4-di-tert-butylphenyl) phosphite. an engineering thermoplastic with a weight percentage between 5%∼51%; a high-density filler, with a weight percentage between 42%∼90%; a mineral powder, with a weight percentage between 0%∼33%; a glass fiber, with a weight percentage between 0%∼29%; a toughener, with a weight percentage between 3%∼20%; a coupling agent, with a weight percentage between 0.5%∼4%; a lubricant, with a weight percentage between 0.3%∼2%; and an antioxidant, with a weight percentage of between 0.2%∼0.5%, wherein the weight percentage is based on the total weight of imitation metal engineering plastic composite material, wherein the engineering thermoplastic is a compound selected from the collection of polyamide and polybutylene terephthalate, and the high-density filler is a metal powder having a density between 4∼10g/cm 3 and an average granule diameter between 0.1∼100μm, and the mineral powder is an inorganic mineral powder having an average granule diameter between 0.1∼20μm, and the toughener is one selected from the collection of polyamide elastomer, maleic anhydride grafted polyolefin elastomer and maleic anhydride grafted styrene, and the coupling agent is a compound selected from the collection of a titanate coupling agent, an aluminate coupling agent, a zirconate coupling agent, and a silane coupling agent, and the lubricant is one selected from the collection of ethylene bis stearamide, ethylene bis lauramide, ethylene bis oleamide, ethylene bis stearamide graft modification substance, and fluoroelastomer, polytetrafluoroethylene powder, and the antioxidant is a compound selected from the collection of tetrakis[methylene-β-(3,5-di-tert-butyl-4-hydioxyphenyl)-propionate]methane, antioxidant 1010, and tris(2,4-di-tert-butylphenyl) phosphite.