A massage fitness apparatus for waist, abdomen, and back contains: a frame a back massaging assembly disposed in the frame a kneading and swinging portion fixed on a lower end of the frame, the kneading and swinging portion having a first motor for driving a gear assembly by which a rotary shaft is driven, and the rotary shaft having two eccentric rollers mounted on two ends of the rotary shaft, each eccentric roller having a belt mount axially fixed on an eccentric peg thereof a belt, two ends of which are inserted through a cover and fixed on two belt mounts. Thereby, when the belt is tied around users waist and abdomen, it drives the first motor, and then the two eccentric rollers swing to drive the belt to knead and swing the users waist and abdomen, thus obtaining a massage purpose.
