Back injury, if it is open and bleeding, the wound needs to be cleared and treated to remove necrotic tissue, after repeated rinsing and disinfection, fresh tissue will be sutured, usually about ten days to remove the stitches and the wound will heal. If there is combined bone injury, such as scaphoid fracture, the fracture position is relatively good, you can take conservative treatment, if the crushing is serious and affects normal life, you need to operate to fix the fracture, maybe with plate or screw, after fixation about six weeks can be normal activities, six months to take internal fixation.