The clinical symptoms of lumbar pain once tired are commonly due to the following reasons: First, lumbar muscle strain: patients usually have lumbar muscle strain, if they strain again, it will aggravate the symptoms of lumbar muscle strain and cause obvious pain symptoms, such patients usually have clinical manifestations of lumbar stiffness. Second, lumbar spine diseases: patients suffering from lumbar disc herniation, lumbar spine slippage and other diseases, usually have nerve compression or irritation symptoms, if the symptoms will be significantly aggravated after exertion, inducing severe lumbar pain and lumbar spine activity limitation, X-ray, CT, MRI and other imaging examinations can provide a reference basis. Early diagnosis and early treatment can lead to rapid relief of clinical symptoms. Patients should usually pay attention to the protection of the lumbar region to avoid the above diseases and prevent clinical symptoms of pain in the lumbar region after exertion.