The invention discloses a detecting system for an intelligent electric energy meter. The detecting system is used for detecting the functions of the intelligent electric energy meter. The system comprises a checking device and a computer, wherein an Ethernet interface, an RS485 communication interface and a control interface are arranged on the intelligent electric energy meter; the checking device is connected with the computer through an Ethernet cable and connected with the intelligent electric energy meter through the Ethernet cable, an RS485 cable and a control cable to be used for collecting operational data of the intelligent electric energy meter and transmitting the data to the computer; the computer is used for receiving and processing the operational data of the intelligent electric energy meter.