Neuralgia after lumbar spine surgery can be treated by physical therapy, medication, and closed treatment. 1. Physical therapy: the symptoms of pain can be relieved by proper massage or hot compresses with hot towels. 2. Medication: Neuralgia after lumbar spine surgery may be caused by spinal nerve edema, which can be relieved by oral medication such as methylcobalamin capsule, gabapentin, carbamazepine and so on. 3. Closed treatment: If the pain is more intense, you can carry out closed treatment, painkilling injections, such as aspirin, to relieve the symptoms. It is recommended to use medication under the guidance of a doctor, not blindly self-medication to avoid adverse effects. If the symptoms of neuralgia after lumbar spine surgery are not relieved, or accompanied by other symptoms, you should go to a regular hospital in time, to clarify the cause of the targeted treatment.