The invention discloses an RFID sensing tag system for monitoring storage device status. The system comprises an RFID sensing tag, a sensing tag receiver and a computer, wherein the RFID sensing tag comprises a magnetic induction sensor, a radio frequency chip, a micro control unit and a power supply, the radio frequency chip is used for sending and/or receiving wireless signals, the power supply is used for supplying power to a circuit, the magnetic induction sensor, the radio frequency chip and the power supply are respectively connected with the micro control unit, and an opening position on a storage device, which corresponds to the magnetic induction sensor, is coated with magnetic materials or a magnet is embedded in the opening position. By the aid of the system, real-time monitoring of the storage status of the storage device can be achieved, and the magnetic induction sensor is used for detecting the status of the storage device, so that the RFID sensing tag of the system can be used repeatedly, the system is very environment-friendly, and real-time monitoring can be achieved easily. The system is less in usage limit, wide in application range and applicable to various storage environments and various storage devices.