Neck pain is usually caused by neck muscle injury, cervical spondylosis, fasciitis, trauma and other reasons. 1. Neck muscle injury: Due to improper sleeping posture, the neck is in a state of hyperextension or hyperflexion, which causes injury to the neck muscles and leads to neck pain due to pillow falling. 2. Cervical spondylosis: degeneration of intervertebral discs or cervical spondylotic hyperplasia causes inflammation and irritation, or cervical disc herniation compresses the nerves causing pain in the neck area, and some patients also have numbness in the upper limbs and other symptoms. 3. Fasciitis: Fasciitis may be related to long-term muscle strain, is a non-specific inflammation, cold, overexertion, etc. can also be triggered by fasciitis, fasciitis is mainly manifested as pain, muscle tension, muscle spasm and other symptoms. 4. Trauma: direct or indirect violent blows or pulling may cause muscle strain or inflammation, which in turn causes neck pain in patients. It is recommended that patients go to regular hospitals immediately after the symptoms appear, as soon as possible to clarify the cause of the disease, under the guidance of the doctor to carry out the appropriate treatment or therapy.