Lumbar disc herniation is more serious after surgery than before, it may be the local pain caused by postoperative tissue edema, which can be relieved by using drugs such as celecoxib; it may also be caused by postoperative complications such as hematoma compressing the nerves, and it is recommended to carry out the second surgery in time. 1. Postoperative edema: lumbar disc surgery, whether minimally invasive or open surgery, will cause some damage to the surrounding tissues, which can cause swelling of the surrounding tissues, resulting in lumbar pain, lower extremity pain and other symptoms of nerve irritation aggravated by the surgery. Non-steroidal anti-inflammatory drugs such as ibuprofen, diclofenac sodium, celecoxib, etc. can be taken for analgesia and swelling reduction. Mannitol can be fed intravenously for dehydration treatment if necessary. 2. Surgical complications: postoperative wound bleeding, hematoma can compress the nerve root and cauda equina, further aggravate the symptoms of lumbar and leg pain, lower limb numbness and fatigue, saddle sensory abnormalities, incontinence and so on. It is recommended to carry out secondary surgery in time to remove hematoma and relieve nerve compression symptoms. Lumbar disc herniation is more serious after surgery than before, and it is recommended to consult a doctor in time to clarify the diagnosis and carry out targeted treatment. In addition, all of the above medications should be taken under the guidance of a doctor and should not be used without authorization.