Nursing shower chair with back rubbing function for old people

The elderly nursing shower chair with the back rubbing function comprises a back plate, the surface of the back plate is fixedly connected with an obliquely-arranged seat plate, the top of the seat plate is fixedly connected with a lapping plate parallel to the back plate, and the surface, close to the upper portion, of the back plate is provided with a rectangular through groove; a cotton gauze element which is attached to the back skin of the user and rubs the back skin is arranged in the rectangular through groove, and a supporting arm for supporting the armpits of the user is fixedly connected to the side, close to the lapping plate, of the back plate. A user sits on the seat plate, the back of the user leans against the cotton gauze, and the cotton gauze is attached to the back of the user and reciprocates up and down and in the horizontal direction during use, so that the back of the user is wiped, the skin of the user is smeared with scrub cream during wiping, rubbing of the back of the user can be fur