Based on the research of existing energy monitoring terminal, an energy monitoring terminal for monitoring and analyzing the power quality based on Internet of Things (IoT) technology is proposed in this paper, the terminal architecture, software flow chart is. Based on the research of existing energy monitoring terminal, an energy monitoring terminal for monitoring and analyzing the power quality based on Internet of Things (IoT) technology is proposed in this paper, the terminal architecture, software flow chart is. The Power Industrial Internet serves as an essential platform for the digital transformation of the electric power industry, during its implementation, the integration of Information Technology (IT) and Operational Technology (OT) in power production and maintenance has posed significant. This report aims to deliver an in-depth analysis of the global Rack-Mounted Power Energy Data Collection Terminal market, offering both quantitative and qualitative insights to help readers craft effective business strategies, evaluate the competitive landscape, and position themselves. Distribution networks provide last mile delivery of the power grid to users, and are critical to power supply services. Many facilities, such as electric vehicles, distributed energy, microgrids, and energy storage devices are connected to the grid through distribution networks. With the opening up. Abstract—With the widespread application of power electronics technology, power pollution is becoming more and more serious. Based on the research of existing energy monitoring terminal, an energy monitoring terminal for monitoring and analyzing the power quality based on Internet of Things (IoT).