The invention discloses a rehabilitation device for lumbar vertebra rehabilitation treatment. The device comprises a device body, a chair seat, a hinge, an arm placing plate, a first fixing belt, a first medicine bag placing area, a second fixing belt, a second medicine bag placing area, a second-layer chair backrest, a first-layer chair backrest, a third-layer chair backrest, baffles, an electrictelescopic rod, a first motor, a base, a power control panel, a pedal, a second motor, air outlets, a first hot air box, a second hot air box, massage nails, air holes, and a vibration plate, whereinthe base is arranged at the bottom of the device body, the pedal is arranged on one side of the base, the first motor is arranged on the base, the electric telescopic rod is arranged on the first motor, the third-layer chair backrest is arranged on one side of the device body, and the first hot air box and the second hot air box are arranged at the two ends of the third-layer chair backrest. According to the device, a lumbar vertebra patient can conveniently sit on the seat for treatment, and the blood circulation is promoted through massage and hot fumigation, so that the medicine effect iswell played, and the convenience is brought to people.