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Powder metallurgy is essential for the automotive industry, which is a is a very good processing technology, it produces out of the product regardless of quality or performance are very excellent in various industries has been the understanding, recognition and widely used. This is even more evident in the automotive industry, for the automotive industry, powder metallurgy technology, parts are their first choice. Due to the special nature of powder metallurgy technology, technological content of products to make very high, the use of car manufacturers, then not only can reduce vehicle weight, reduce the manufacturing cost of the car is also very beneficial. In addition, this technology also has the automobile industry to optimize production processes, improve the competitiveness of the automotive industry's role over every point could be reasons for its favored. In the manufacture of automobiles, often using powder metallurgy technology, sintered metal parts are powder metallurgy and oil-bearing structural parts, which not only can replace iron castings, forgings, machining parts, can also achieve energy saving, material-saving, environmental protection and cost-effective advantages in many aspects of the present, the powder metallurgy industry has been recognized as a green and sustainable manufacturing technologies, is a lot less traditional crafts, it is so popular powder metallurgy will be so in the future It will become the industry mainstream.