The invention discloses a spinal anesthesia postoperative auxiliary rehabilitation device. The spinal anesthesia postoperative auxiliary rehabilitation device comprises an upper connecting portion, afirst elastic portion, a middle connecting portion, a second elastic portion and a lower connecting portion, wherein a shoulder supporting beam with a shoulder bandage is fixed on the upper connectingportion; an abdomen supporting beam with an abdomen bandage is arranged at the middle connecting portion; a waist supporting beam is fixed on the lower connecting portion; a body side portion of thewaist supporting beam is a hook portion while the front portion of the waist supporting beam is an inclined bent waist portion; and the supporting beam is an elastic beam body. The device has a wearable structure, is small in size and portable, and can be used at any time in any places; the device has a multi-point stabilizing effect on the spine of a patient in a vertical direction, the bending range of the spine of the patient is limited, the curvature of the spine of the patient is reduced, and recovery of the spine and other wounds is facilitated; and moreover, the elasticity of the elastic portion of the device can be adjusted, the movement range of the spine of the patient can be controlled by himself, the spine can be protected, furthermore, the amount of exercising can be adjustedto adapt to different rehabilitation periods, and high-quality body recovery is facilitated.