Sacral spine fracture may have the following complications: 1, the most common and serious complications of nerve injury, because there are nerves in the spinal canal of sacral vertebrae, that is, the cauda equina, when the fracture will cause nerve compression, cauda equina injury, manifested as decreased sensation of urination and feces or urinary and fecal incontinence, as well as the impairment of sexual function. 2, the fracture is not healed, delayed healing, deformity healing, or even the emergence of some fracture disease. 3, may cause some internal organ damage, because sacral fracture can cause, for example, bladder, rectum, these pelvic organs are damaged. Some fracture disease, this time the fracture will be long-term chronic pain or discomfort. 3, may cause some internal organ damage, because the sacral fracture can cause, for example, the bladder, rectum, these pelvic organs damage. There may also be open fractures with infection, scar healing and other adverse symptoms.