RFID passive temperature measurement animal ear tag

The utility model provides a radio frequency identification (RFID) passive temperature measurement animal ear tag, which comprises a protective shell, an RFID temperature sensing tag, a heat conduction fixing nail and a fixing buckle, the RFID temperature sensing tag is arranged in the protective shell, the RFID temperature sensing tag comprises a chip and an antenna body, the chip is electrically connected with the antenna body, the chip is a passive RFID chip integrated with a temperature sensor, and the antenna body is electrically connected with the chip. The heat conduction fixing nail extends out of the protective shell and penetrates through an animal ear hole to be inserted into the fixing buckle to be fixed, the passive RFID temperature sensing electronic tag is arranged in the animal ear tag, the RFID temperature sensing electronic tag can sense and record the temperature, the passive electronic tag does not need to be powered by an external power source, and the body temperature change of a moving