A back that is sometimes sore a month or so after lumbar foramenoscopy is generally normal and is a normal reaction due to the surgical injury. Lumbar laminectomy is a minimally invasive treatment, although the damage is relatively small, but the damage is not completely non-existent, after the operation, the lumbar region will be sore and swollen, heavy feeling. This is a common postoperative reaction and is normal. If it is not accompanied by obvious pain symptoms, there is usually no need to worry too much. In this case, it is recommended to avoid sitting for a long time, avoid bending over and holding heavy objects, and can be appropriate hot compresses, and oral nerve-nourishing drugs, but also for local physical therapy, such as acupuncture, moxibustion, microwave physiotherapy. If lumbago worsens, or is accompanied by lumbago, lower limb pain, numbness, etc., it is necessary to go to the hospital for review in a timely manner.