Spinal cord injury is a serious disease that can lead to a series of complications, including nerve damage, which can cause many difficulties, both in terms of treatment and prevention. Specifically, the following: 1. paraplegia: the main complication of spinal cord injury, sometimes called tetraplegia, or high paraplegia, is a very serious neurological complication; 2. pneumonic pneumonia: due to the paralysis of the patient’s respiratory muscles, resulting in the inability to cough up sputum and the residue of sputum pneumonia; 3. urinary tract infection: because of the need for indwelling catheterization after nerve injury, this invasive operation will increase the risk of urinary tract infection; 4. 4, thrombosis: due to loss of limb function after spinal cord injury, slow blood flow will lead to lower limb venous thrombosis, venous thrombosis will lead to limb swelling, and serious thrombosis, leading to serious thromboembolic diseases, such as serious heart attack, cerebral infarction; 5, phantom limb pain: after nerve injury, there will be residual phantom limb pain, this phantom limb pain is serious torture to patients, long-term nocturnal resting limb pain 6, water-electrolyte disorders, or hyperhydrosis. Although there are many complications of spinal cord injury, there are still some experiences that can effectively prevent or reduce these complications and strive for a more favorable prognosis for patients.