Abstract: Metal matrix composites have excellent properties such as high strength, low density, high modulus, low ductility, high wear resistance, low thermal expansion, etc., and are developing rapidly in various fields. The preparation methods of metal matrix composite materials: powder metallurgy, casting method, in-situ reaction method and spray forming method were introduced, as well as the application of metal matrix composite materials in different fields of aerospace, automobile and electronic packaging industries were introduced. Finally, the future development trend of metal matrix composites was prospected.