Hard disk buffer protection device

The utility model provides a hard disk buffer protection device which comprises a hard disk bracket, a hard disk is fixedly embedded in the hard disk bracket, the hard disk bracket is provided with a buffer plate and a fixing plate, the buffer plate is tightly attached to the upper surface of the hard disk, and the fixing plate is arranged on the upper portion of the buffer plate. The fixing plate is fixedly installed on the hard disk bracket, and the buffer plate is installed on the hard disk bracket in a sliding mode. The front end face, the rear end face, the left end face, the right end face, the upper end face and the lower end face of the hard disk are all limited, when the hard disk shakes up and down, the hard disk extrudes the buffer plate upwards, the shaking amplitude of the hard disk limited by the buffer plate becomes small, the hard disk can be rapidly and stably prevented from being separated from the hard disk bracket, and therefore the hard disk is protected in all directions; and the hard di