History and current related studies Spinal cord injury (SCI) is a kind of serious disabling disease caused by various factors (such as trauma, infection), and can lead to paralysis. At present, 16-40 people/million suffer from SCI in developed countries every year; 34.3-60 people affect SCI in China every year. SCI is often caused by physical trauma, such as rotation, compression and hyperextension. This type of SCI is also known as traumatic spinal cord injury (TSCI). At present, there are many treatments for TSCI, but the prognosis is poor.