Compared with foreign automotive industry, China's automotive industry has high total production cost, slow production efficiency and weak industry competitiveness. There are many reasons for this phenomenon, such as capital, technology and management, but a large part of them is caused by the lack of logistics. Domestic automobile industry logistics mainly adopts self-run logistics and third-party logistics outsourcing mode. In today's production environment dominated by multi-variety, small batch and multi-batch production mode, these two logistics modes can not meet the needs of enterprises and customers more and more. In order to change this situation, we need to study and explore new ones. Method. In this paper, through the application of the fourth party logistics model to improve, so that the entire automotive industry parts supply chain to achieve optimization, so that the whole logistics resources around the automotive enterprises are used most rationally, so as to greatly improve the efficiency of logistics, and thus enhance the competitiveness of automotive enterprises.