Research on Supply Chain Management Optimization of LS Auto Parts Manufacturing Company In recent years, the Sino US trade war, the COVID-19 and other factors have brought unpredictable difficulties to the auto manufacturing industry, resulting in insufficient capacity of suppliers, shortage of goods in the market, especially the chips in electronic materials are almost in full shortage, and the demand for supply chain management of enterprises has risen to a new height LS Automotive Parts Manufacturing Company is a company that specializes in providing parts for automotive customers and also manufactures some consumer products The products are mainly divided into three categories: intelligent cockpit, intelligent network connection, and autonomous driving The intelligent cockpit is further divided into sensors, human-machine interface systems, controls, actuators, and intelligent networking is further divided into antennas, gateways, etc. Intelligent driving is further divided into cameras, millimeter wave radars, etc Due to the impact of the China US trade war and the pandemic, LS Automotive Parts Manufacturing Company's production and procurement costs have continued to rise, with project profit margins declining and constantly facing the risk of material shortages In this context, how to reduce procurement costs, production costs, improve project profitability, ensure supply chain security, optimize supply chain management, and enhance enterprise competitiveness is an urgent issue for LS Automotive Parts Manufacturing Company This article adopts literature analysis, in-depth interview, case study, as well as supply chain management tools and methods. Firstly, the paper analyzes the original supply chain of LS Automotive Parts Manufacturing Company, including customer management, procurement management, production planning management, raw material inventory management, logistics management, and other five aspects. It elaborates on the problems and reasons for the problems encountered by LS Automotive Parts Manufacturing Company in the current supply chain management. Based on the reasons for these problems and drawing on relevant theories and experiences of supply chain management, LS Automotive Parts Manufacturing Company proposes supply chain optimization management measures Customer management optimization, mainly using ABC classification method to classify and manage customers;