Under the global layout background of automobile supply chain，Auto-parts companies have exploited and grown emerging markets by deepening the localized operation. While the transformation of the intelligent network-connection in automotive industry is updating，the policy orientations are also boosting the development progress of core components and confidence of the automotive market. In order to improve the stability，diversity and adaptability of the supply chain by providing data supports and strategy recommendations，this research，that is based on the segment market of the automotive industry，have not only deeply analyzed the relationship between Auto-parts and OEM，but also predicted the development trend of Auto-parts market by the interpretation of current policy，market hot-spots and technological evolution.