A multi-stage adjustable spring resistant belly massager comprises a belly massaging pad, a push-pull rod, a resistance adjusting mechanism and two handle grips. The belly massaging pad rests on the human belly, the push-pull rod is mounted in a barrel to perform the up and down movement, the resistance adjusting mechanism surrounds the push-pull rod and the handle grips are for the player to practice the push-pull exercise on the belly. The resistance adjusting mechanism is composed of a plurality of pulling guides, spring straps, a top decorative cover and a lock ring. The player operates the handle grips to carry out the up and down movement on the belly in one way and rotates the push-pull rod around the belly in other way to accomplish the weight reduction and fat removal in the belly.