The invention discloses a waist massage therapy exerciser, comprising a back plate, supporting legs, a leg plate, a placing groove, a vibrator, a back gasket, an angle controller, an extension line, a controller, a seat cushion, a leg gasket and a get-up pull tape. The exerciser is divided into two parts, the angle of the exerciser can be adjusted, and the waist and legs of a user can do exercise of different strength. The user sits on the seat cushion and lies down with face upward, the waist is located above the vibrator, the two legs are placed on the leg plate, then the controller is controlled, and the leg plate rotates to an appropriate angle, so that the waist can be exercised, leg muscles and bones can stretch, and users can do relatively comprehensive exercise; and the waist exercise can be directed to therapy of diseases such as lumbar muscle strain, lumbar disc herniation, waist pain and the like. Meanwhile, when the leg plate rotates to an angle perpendicular to the back plate with the increase of exercise strength, the two legs are supported on the leg plate, so that edema of thighs and feet can be effectively relieved, and leg fatigue, varicosity and the like can be prevented.