Barcode data acquisition system of car production in China’s commercial retail industry has been widely used, industrial online production of data collection is also of great significance. FAW-Volkswagen took the lead in the use of bar code data acquisition system. In the system of the relevant outlets can be at any time statistics, inquiries, for production statistics and cost accounting provides real-time, reliable information. Another important part of its data collection is the vehicle’s test data and the production process of the natural data of the complete record, the vehicle for the quality of life tracking. Accident analysis, accountability, etc. to provide first-hand information.