Intelligent distribution terminal unit / smart hybrid terminal unit is a secondary equipment integrating the functions of power consumption information acquisition, equipment operation status monitoring, intelligent control and communication, which meets the requirements of basic operation information monitoring and analysis, power quality monitoring, demand side management, operation and maintenance management and control of low-voltage distribution network, information model standardization, coordinated control of master station terminal, etc, It is the key link to realize the intellectualization of low-voltage distribution network.