The signs of recovery after thoracic 12 vertebral spinal cord injury include local sensory recovery, increased muscle strength of lower limbs, conscious and controllable urination and defecation. 1. Local sensory recovery: after the injury of thoracic 12 vertebrae, the patient will have the symptom of loss of sensation below the damaged plane. After active rehabilitation, the patient will have the sign of recovery, first of all, local tingling and numbness, which is the early symptom of recovery of sensory disorder; with the improvement of the condition, the patient’s sensation will become more and more obvious, and the sensation of pain and temperature will be gradually recovered. 2. Lower limb muscle strength increases: after the injury of thoracic 12 vertebrae, the lower limb muscle strength is lost, after the recovery of the injury by treatment, the patient will have the symptom of gradual recovery of muscle strength, muscle contraction occurs, and with the increase of muscle strength, the patient can even lift off the bed surface. 3. Urination and defecation can be controlled: after the injury of thoracic 12 vertebrae, incontinence, after the recovery of spinal cord, the patient’s bowel movement can be transmitted to the brain, and the patient gradually regained the feeling of urination and defecation and control. The recovery of thoracic 12 vertebra spinal cord injury is slow, and the symptoms will also change during the recovery process, in the recovery process also need to pay attention to patient care, and rehabilitation training under the guidance of the doctor.