Positionable WIFI wireless hard-disk device based on RFID

Disclosed is a positonable WIFI wireless hard-disk device based on an RFID. The device includes: a hard-disk body which includes a Wifi radio-frequency module, an RFID radio-frequency module, a plurality of expansion interfaces and an embedded-type controller; and an RFID handheld terminal which includes a receiving antenna, a reader-writer, a display screen and a terminal controller, wherein the embedded-type controller is used for controlling the WIFI radio-frequency module, the expansion interfaces and the RFID radio-frequency module; the plurality of expansion modules are used for connecting a mobile device; the Wifi radio-frequency module is used for storing and outputting data in a wireless method; the RFID radio-frequency module includes a transmission antenna and a signal transmitter and is used for transmitting label signals; the terminal controller is used for controlling the receiving antenna, the reader-writer and the display screen; the receiving antenna is used for receiving the label signals; t