Back scrubbing device for bathing of old people

The invention discloses a back scrubbing device for bathing of old people. The back scrubbing device comprises a base, universal wheels are installed at four corners of the bottom of the base, a cushion plate is connected to the upper side of the base through multiple first stretching rods, a lifting cover is fixedly connected to the upper side of the base, the cushion plate is connected in the lifting cover through a lifting mechanism, a transmission mechanism corresponding to the lifting mechanism is arranged on one side of the lifting cover, and two symmetrically-arranged fixed handles arefixedly connected to the upper side of the cushion plate. The back scrubbing device has the advantages that a first bevel gear is driven by the transmission mechanism to rotate, the first bevel gear rotates to drive a lead screw to rotate, the lead screw rotates to drive a sliding base to move, the sliding base moves to drive the cushion plate to move, the cushion plate moves to drive the back tobe in contact with massagi