The utility model discloses a CT electricity getting wireless temperature measurement system with low starting current. The system comprises a CT electricity getting device, a rectification voltage limiting module, an energy-storage capacitor, a voltage recognition module, an Rf (radio frequency) module power switch, an Rf wireless transceiver module, a CPU (central processing unit) and a temperature sensor, wherein the input terminal of the energy-storage capacitor is connected with the rectification voltage limiting module; the output terminal of the energy-storage capacitor is connected with the Rf module power switch and the CPU; the rectification voltage limiting module is connected with the CT electricity getting device; the Rf module power switch is connected with the Rf wireless transceiver module; the input terminal of the CPU is connected with the temperature sensor; the output terminal of the CPU is connected with the Rf module power switch and the Rf wireless transceiver module; the input terminal of the voltage recognition module is connected with the energy-storage capacitor; the output terminal of the voltage recognition module is connected with the CPU. The system can be started at lower current.