Lumbar disc lateral saphenous fossa stenosis is important, lateral saphenous fossa stenosis is possible to produce pressure on the nerve root, causing sensory dysfunction in the area innervated by the nerve root, patients need to pay attention. Lateral saphenous fossa narrowing of lumbar intervertebral disc is mainly caused by the gradual narrowing of the bony tract. Generally, with age, the growth between the small joints will become more and more large, the bone channel will become more and more narrow, that is, the lateral saphenous fossa narrowing will become more and more serious. As the lateral saphenous fossa becomes smaller and smaller, there will be pressure on the nerve root, and the patient may experience numbness and pain when exercising the lower limbs, and in severe cases, the patient may even experience muscle atrophy. Lumbar disc lateral saphenous fossa stenosis needs to be taken seriously, and in serious cases, it even requires surgical treatment. It is recommended that patients go to the hospital for further examination in time to avoid delaying their condition.