Because the materials for spinal cord electrical stimulation surgery need to be imported from the United States, in line with domestic and European and American production license standards, in order to achieve the purpose of surgery to promote wakefulness. The material can be implanted in the human body for a long time, and if the patient does not wake up, it needs to be removed after about one year of routine placement, and the cost of surgery is high, about 130,000 yuan.