The invention relates to the technical field of medicines, and discloses a multifunctional medical and health care bed. The bed includes a first stand column and a second stand column. The upper portion of the first stand column is fixedly connected with a supporting platform, the upper portion of the second column is fixedly connected with a fixation platform, the right side of the fixation platform is fixedly connected with a third stand column, the first stand column is rotatably connected with a screw rod and fixedly connected with a sliding rod, and the sliding rod is slidably connected with a first slider. The bed can be used in massage of patients' legs. The bed is provided with a rotating shaft, a concave rod, a third support rod and an ejector rod, a linkage structure formed by the concave rod and the third support rod achieves the effect of a crank block, so that several knocking hammers move up and down continuously to massage the legs, the screw rod and a nut is arranged, the screw rod and nut structure drives a connecting rod to make the angle of the rotating platform changed, the back of a patient can be well supported, operation is simple, and the bed is suitable forapplication and popularization in many hospitals.