Dynamic password identity authorization system and method based on RFID

The invention provides a dynamic password identity authorization system and a method based on an RFID (Radio Frequency Identification Device). The system is in a card-type structure. The system is provided with a built-in RFID chip and a coil, a dynamic password chip, a display module, a crystal oscillator, a storage module, a power supply module and a control module, wherein the RFID chip and the coil, the dynamic password chip, the display module, the crystal oscillator, the storage module and the power supply module are all connected with the control module respectively. The dynamic password identity authorization system and the method based on the RFID can ensure that the password intensity of a user is enhanced and the safety mechanism is more improved as well as authorization equipment is more convenient for storing and carrying.