The invention discloses a movable liftable foldable bath bed which comprises a base, a four-connecting-rod mechanism, a foldable bed body, a back lifting mechanism and lifting armrests, wherein the base is a frame, universal casters are downwards arranged on four corners of the frame, the four-connecting-rod mechanism is connected to a front end of the frame, the bottom of an electric push rod is connected to the middle in a rear end of the frame, and a front end of a front-end telescopic rod of the electric push rod is hinged to two middle connecting transverse rods, arranged in parallel, of the four-connecting-rod mechanism; the four-connecting-rod mechanism comprises a lower short connecting rod, an upper short connecting rod, a lower long connecting rod and an upper long connecting rod; the foldable bed body comprises a headrest bed body, a front bed body, a middle bed body and a rear bed body. The movable liftable foldable bath bed has the benefits of simple structure, complete functions, convenience in use, safety, reliability and low price. When not in use at ordinary times, a bed surface can be lowered to a lowest height and folded to reduce the occupied space.