Which patients need surgery? 1, diagnosed lumbar disc herniation more than six months, after non-surgical treatment is ineffective, and the symptoms worsen. 2.The first violent attack of lumbar disc herniation, the patient has difficulty moving and sleeping due to pain, and is forced to bend the hip and knee in the lateral position, or even kneeling. 3. Single nerve palsy or cauda equina palsy occurs, manifesting as muscle paralysis or impaired defecation and urination. 4.Middle-aged patients with long duration of disease, affecting work and life. 5.Reliable examination confirms total disc degeneration or large herniation. 6.Non-surgical treatment is effective, but if the symptoms are recurrent and the pain is more than 3 times, surgical treatment is recommended. 7.Protruding disc with other causes of lumbar spinal stenosis.