Key storing and taking cabinet and key management system

The embodiment of the utility model discloses a key storing and taking cabinet and a key management system. The key storing and taking cabinet comprises a cabinet body, an operation module and a first number of key rings, the cabinet body comprises a storage area, an operation area and a first number of key hooks, each key ring is provided with an electronic tag, and each key ring is fixed in the storage area through one key hook; the operation module comprises a first controller, a transmission part, an RFID reader-writer and an RFID radio frequency antenna, the first controller and the RFID reader-writer are both arranged in the operation area, the first controller is connected with the transmission part and the RFID reader-writer, the RFID radio frequency antenna is connected with the RFID reader-writer, and the RFID radio frequency antenna is arranged in the cabinet body through the transmission part. The transmission part drives the RFID radio frequency antenna to move, so that the radio frequency signal