This article introduce the application of intelligent manufacturing system to improve the production efficiency in the ammunition manufacturing industry, which used by Chongqing Changjiang Electrician Industry Group Co., Ltd. Analyzed the development situation of intelligent ammunition manufacturing, divided the entire intelligent manufacturing system into 3 modules: ammunition manufacturing, primer production and ammunition assembly, and analyzed the application of the intelligent manufacturing system corresponding 3 modules in the enterprise, finally compared the advancement before and after the application of the intelligent bullet manufacturing system. Through the application of the intelligent manufacturing system, it can connect management, design, data and machines, and continuously monitor the production process and product quality, and share real-time monitoring data.