Disposable middle sheet auxiliary device

The utility model relates to a disposable middle sheet auxiliary device which comprises a connecting piece, an installation mechanism is arranged on the outer wall of the connecting piece, the installation mechanism comprises eight clamping seats which are connected to the outer wall of the bottom of the connecting piece in a clamped mode, and four second clamping buckles and four first clamping buckles are connected to the outer wall of the top of the connecting piece in a clamped mode. The outer walls of the left side and the right side of the connecting piece are each fixedly provided with two binding bands. The disposable middle sheet auxiliary device can be fixed on a bed through the bandage and the hook-and-loop fastener, is bound and pasted through the bottom of the bed, and clamps the middle sheet through the buckles on the two sides, so that the middle sheet cannot move and is fixed on the bed, meanwhile, after the middle sheet of a patient is dirtied, only the buckles need to be opened to take down