Fixed folding bath chair convenient for back cleaning

The invention discloses a fixed folding bath chair convenient for back cleaning, which comprises a chair back, a seat plate, two armrests, a seat plate sliding support assembly, a bath foam spraying assembly and a scrubbing plate moving assembly; the lower part of the chair back is connected with the rear end of the seat plate sliding support assembly, and the seat plate is connected with the topsurface of the seat plate sliding support assembly; the left side and the right side of the chair back are respectively hinged with one handrail, one handrail is internally provided with an extrusiontype pumping device, the extrusion type pumping device and a one-way three-way pressure storage bottle, the other handrail is internally provided with a traction handle, and the traction handle is connected with a scrubbing and washing plate arranged on the chair back through a traction wire. According to the invention, the bath chair can be folded to a wall surface when not used and no space is occupied; and a bather sits