The difference between fasciitis and lumbar disc herniation is as follows: First, the etiology is different: fasciitis is mainly related to cold and local chronic strain, while lumbar disc herniation is usually caused by long-term excessive weight bearing, degenerative changes in the fibrous ring, etc. The second clinical manifestation is different: fasciitis mainly manifests as pain in the lower back, limited lumbar spine activities, and does not cause lower limb radiological pain, lower limb weakness, while lumbar disc herniation mainly manifests as lower limb radiological pain, numbness and muscle strength weakening, and even causes muscle atrophy. Third, the auxiliary examination is different: fasciitis does not require special auxiliary examination, and the diagnosis can be confirmed through physical examination and medical history, while lumbar disc herniation usually requires CT scan and MRI examination to support the diagnosis.