The utility model discloses a novel mass data storage device, including the protection box, the storage device body, the USB interface, the top of protection box is provided with first export, the bottom of protection box is provided with step motor, be provided with the lead screw on step motor's the output shaft, there is a nut through threaded connection on the lead screw, the left side inner wall of protection box is provided with the guide rail parallel with the lead screw, it is provided with the lifter plate of being connected with the nut to slide in the guide rail, the top of lifter plate is provided with the connecting rod of being connected bottom the storage device body, the outer wall of protection box is provided with and holds box and control box, the top that holds the box is provided with the second export, it is provided with the telescopic link in the box to hold, the top of telescopic link is provided with the lid, the outer wall that the telescopic link is close to the top is provided with the fingerprint collection module, be provided with power module in the control box, control assembly, the outer wall of control box is provided with reset button. The beneficial effects are that: security and privacy are high, the practicality is strong, degree of automation is high.