Since the Information Service Industry is facing global economic change, customers are considering cost reduction and variety on request. All businesses are facing demanding challenges, such as lower profits on hardware equipment, quicker delivery for customer orders, and growing demands for customization. Therefore, how to improve internal business operations efficiently and effectively has become a major issue. This study implements qualitative case study methodology. In terms of information service’s features, the Internet of Things (IoT) Technology is applied to the Inventory Management System, utilizing UML to analyze the advantages after implementing the Internet of Things (IoT) Technology. Based on the study, businesses are capable of managing inventory properly and instantly after implementing the Internet of Things (IoT) Technology. This technology not only improves the transparency of enterprise information delivery, but also results in better inventory management.