In today's highly competitive global market, manufacturers face increasing pressure to deliver high-quality products while maintaining cost-effectiveness. This is especially true for the shoe manufacturing industry in Vietnam, which has emerged as a major player in the global footwear market. To ensure consistent product quality and minimize defects, production monitoring plays a crucial role. In this article, we will explore the significance of production monitoring in Vietnam's shoe manufacturing sector, using a real-life case study to illustrate its impact on improving the manufacturing process and saving time and money.