The main symptoms of lumbosacral nerve root damage are lumbar pain, lower limb numbness, weakness, etc. Then, according to the accompanying symptoms, we should consider the departments of hospital: neurology, neurosurgery, orthopaedics and so on. 1. Lumbar pain, lower limb numbness, weakness, considering the lumbar nerve damage, it is recommended to see the Department of Neurology, Neurosurgery. 2. Lumbar pain radiating from the lumbar and sacral regions to the lower limbs or accompanied by intermittent claudication, sciatica, etc., may be due to lumbar disc herniation or lumbar spinal stenosis, at this time it is recommended to see the orthopedics. With the above symptoms or lumbosacral nerve root damage, it is recommended to go to the corresponding department of the hospital in a timely manner, under the guidance of the doctor for standardized treatment.