Currently，the global manufacturing industry is facing huge changes. The combination of simple manufacturing and advanced information technology has created a frenzy of innovation in manufacturing. As the key core technology of the whole vehicle，the engine is the core competitiveness of the development of the national automobile industry. At present，China five-stage fuel consumption regulations require that the average fuel consumption of enterprises should reach 4L/100km in 2025. Further reducing vehicle fuel consumption and pollutant emissions has become a key technology for global automobile enterprises to compete.