Lumbar intervertebral disc herniation can generally be judged by clinical manifestations, physical examination and imaging tests. 1. Clinical manifestations: most patients with lumbar disc herniation have varying degrees of lumbago and sciatica, and some patients have symptoms such as radiating pain, lower limb numbness and weakness, which may be manifested as scoliosis, muscular atrophy and lumbar spine activity limitation; severe patients may have symptoms such as defecation obstruction and saddle area sensory abnormalities. 2. Physical examination: The doctor will conduct a more detailed physical examination, such as straight leg raising test, femoral nerve pull test, supine abdominal stretch test, etc., to confirm the lumbar posture, lumbar pressure points and the degree of lumbar activity limitation. Neurological examination and muscle weakness test are used to check whether there is sensory impairment and muscle weakness in the ankle. 3. Imaging examination: Lumbar X-ray film, CT examination, magnetic resonance imaging examination, discography and other examinations can directly or indirectly show whether there is a lumbar disc herniation and its degree of herniation. Imaging is one of the most important means of diagnosing lumbar disc herniation. If you suspect that there is a lumbar disc herniation, however, you should consult the doctor in time, ask the doctor to give a clear diagnosis, and actively cooperate with the doctor’s treatment.