The common causes of back stiffness are soft tissue-related lesions and spinal degeneration, as follows: First, soft tissue-related lesions: soft tissue-related lesions of the back, such as fasciitis or muscle spasms are common causes of such symptoms. Patients in this category often have poor back posture, cold, or old injuries and a series of causes, after which patients may develop fasciitis, muscle spasms such as lesions, such lesions in the attack may cause a decrease in spinal mobility, and the appearance of stiffness. Second, spinal degeneration: some patients may have such symptoms due to spinal degeneration, such as patients with osteophytes in the spine, or when there is a disc herniation of a lesion, there is often a decrease in spinal mobility, followed by the above-mentioned performance.