The invention relates to a medical rehabilitation training tool, in particular to a multifunctional medical rehabilitation training tool. The device is used for rehabilitation training of patients, the rehabilitation speed of injured parts of the patients is increased, rehabilitation training can be conducted on the waist through the device, the adjustment strength is adjustable, rehabilitation training can be conducted on the arm strength through the device, the training mode is adjustable, rehabilitation training can be conducted on the hands through the device, and the training mode is adjustable. One end of a connecting rod is connected with an outer lantern ring frame, the other end of the connecting rod is connected with an inner lantern ring frame, one end of an adjusting mechanismis connected with the outer lantern ring frame, the other end of the adjusting mechanism is connected with the inner lantern ring frame, one end of a hand exercise mechanism is connected with the outer lantern ring frame, the other end of the hand exercise mechanism is connected with the inner lantern ring frame, one end of an arm exercise mechanism is connected with the outer lantern ring frame,the other end of the arm exercise mechanism is connected with the inner lantern ring frame, and multiple counterweight mechanisms are uniformly distributed on the outer lantern ring frame.