Lumbar spinal stenosis pain aggravated after open surgery, first of all, we should consider the causes, the causes include the surrounding soft tissue damage, surgery caused by nerve compression, postoperative recurrence of the disease, etc., and its treatment methods include drug therapy, physical therapy, etc.. 1. Peripheral soft tissue injury: open surgery for lumbar spinal stenosis will separate the soft tissue around it, resulting in local soft tissue injury, and patients are prone to pain symptoms after surgery. Patients can take non-steroidal anti-inflammatory analgesic drugs such as diclofenac sodium to relieve symptoms. 2. Nerve compression caused by surgery: Nutritional nerve drugs such as methylcobalamin and ghrelin can be used, and nerve decompression can be carried out if necessary. 3. Post-operative recurrence of the condition: lumbar spinal stenosis and other conditions after the operation appeared to recur, should be timely consultation, under the guidance of the doctor for targeted treatment. Attention, lumbar spinal stenosis after open surgery recovery must maintain the stability of the original surgical stage, so as not to cause complications. If the above symptoms are not relieved, or accompanied by other symptoms, you should go to the hospital in a timely manner, to identify the cause and then give targeted treatment. All of the above medications should be used under the guidance of a doctor, avoid self-medication.