Patients with lumbar disc herniation may have different manifestations depending on the size of the herniated nucleus pulposus, the length of the disease and individual differences. The main clinical symptoms are as follows: 1. lumbar pain: almost all patients with this disease have this symptom, mainly manifested as dull pain in the lower lumbar muscles lumbosacral region, which is relieved when lying down and aggravated after activity, and in severe cases, spasmodic pain, which is mainly inflammatory pain caused by nerve root compression. Beijing Zhongguancun Hospital Spine Minimally Invasive Intervention Center Wang Wen 2, lower limb radioactive pain or numbness: pain mainly along the buttocks, thighs and the back of the calf to the root of the foot or the dorsum of the foot, a radioactive stabbing pain. In severe cases, the pain may be electric shock-like. It usually occurs unilaterally. This is caused by inflammatory chemical irritation at the base of the nerve root in the early stage of disc herniation. Late inflammation and mechanical compression after subsidence often result in numbness or coldness of the lower limbs. 3, muscle; weakening or paralysis: generally, paralysis of the anterior tibial muscle group and dorsalis pedis muscle group can occur, and foot drop occurs. Secondary to the production of spinal stenosis may appear intermittent rupture. 4, cauda equina nerve symptoms: the central type protrusion is more severe, compression of the cauda equina nerve can appear numbness and tingling in the perineum, weakness in defecation and urination, urinary incontinence can occur in women, and impotence can occur in men.