The symptoms of lumbar 4-5 disc herniation can be manifested in the following aspects: First, lumbar pain, caused by the protruding disc compressing the nerves around the disc, lumbar pain can be accompanied by pain in the hip and both hips. Second, the lumbar movement is limited, and the lumbar flexion and extension is so obvious that the patient dares not sit for a long time or bend over to hold things. Numbness and weakness of the lower extremities, numbness and pain along the back of the thighs radiating from the buttocks to the lateral calves and the dorsum of the feet, which are symptoms of sciatica, can also be manifested as weakness in the lifting function of the big toe. Fourth, if the lumbar 4-5 disc herniation is central, it can also be manifested as urinary and fecal disorders, constipation or fecal incontinence can occur.