One month after minimally invasive lumbar spine surgery is still very painful may be caused by poor postoperative recovery or intraoperative injury. 1. Poor postoperative recovery: although minimally invasive lumbar spine surgery is less traumatic, it still requires good postoperative care to achieve good therapeutic effects. If you are bedridden for a long time and lack of exercise after surgery, it will lead to muscle atrophy and loss of muscle function, which in turn will produce pain. In addition, localized adhesions after prolonged bed-ridden surgery will also lead to pain. 2. Intraoperative injury: one month after the minimally invasive lumbar spine surgery is still very painful can not be ruled out that the surgical process of injury, such as intraoperative injury to the muscles, nerves, fascia and other parts. Generally speaking, it takes a longer time to fully recover from minimally invasive lumbar spine surgery, and patients are advised to take good care of themselves after the surgery. If severe pain and other discomforts occur one month after surgery, patients should actively seek medical treatment to avoid delaying the condition.