Fecha de publicación: 10/12/2019 Fuente: Wipo "IOT" The invention discloses a system and method for detecting whether low power consumption of an NB-IoT module is qualified or not. The system comprises a detected NB-IoT module; a power supply; a digital universal meter, wherein the digital universal meter is connected between the detected NB-IoT module and the power supply, and the digital universal meter is used for detecting current input from the power supply by the detected NB-IoT module; a USB-to-serial port board, wherein the USB-to-serial port board is connected with the detected NB-IoT module, and the USB-to-serial port board is used for communicating with the detected NB-IoT module; an intelligent terminal, wherein the intelligent terminal is connected with the digital multimeter, the intelligent terminal is connected with the USBto serial port board, and the intelligent terminal is used for controlling the detected NB-IoT module through the USB to serial port board, and is used for acquiring current data of the digital multimeter. According to the system, the detection time can be saved, and the detection result accuracy is improved.