Power distribution network is a crucial facility for national economy and social development. As a vital part of Internet of Things (IoT) in power, intelligent low-voltage power distribution system is a new power network resulted from the combination of traditional industrial technologies and IoT. Interconnection and interoperability of equipment in this new network will result in data collection, data fusion and intelligent applications, which will meet the requirements of lean management. The latest generation of intelligent low-voltage power distribution system was created on the basis of IoT.