Paralysis caused by spinal cord injury, how long it takes for the upper limbs to regain function is mainly determined by the condition of the disease, which may range from a few hours to a few years, or may not be able to regain function for life. Spinal cord injury paralysis is mostly caused by spinal fracture, and paralysis of limbs can be caused by spinal cord shock, incomplete spinal cord injury, complete spinal cord injury, etc. Depending on the condition of the spinal cord injury, Methylprednisolone can be used to reduce the edema, or spinal immobilization can be carried out through surgery and other ways of treatment. The prognosis of paralysis caused by spinal cord concussion is usually good, and sensory and motor deficits can be recovered within a few hours to days after treatment, and there are usually no sequelae; incomplete spinal cord injuries can be improved within a few years after early active and standardized treatment; and complete spinal cord injuries generally have a poor prognosis, and the dysfunctions can be maintained for several decades, or they cannot be recovered for the rest of one’s life. Spinal cord injury should be diagnosed and treated in a timely manner, and medication should be administered in accordance with the doctor’s instructions to avoid delays.