The common sequelae of thoracic spine surgery are as follows: First, dural as well as nerve injury: If local dural adhesions exist during thoracic spine surgery, it is easy to cause dural injury when separating tissues as well as injury to the nerves inside the dura, there will be dural fistula and the patient may have secondary headache. If nerve damage is involved, it will also cause conduction dysfunction of the trunk or limbs. Second, infection: during thoracic spine surgery, bacteria can enter the local infection, and even the formation of purulent spinal meningitis, the patient can have sepsis, endangering the patient’s life. Therefore, thoracic spine surgery must pay attention to the observation of postoperative complications, such as clinical symptoms to early treatment, to avoid serious adverse consequences.