Soreness in the back of the neck may be related to physiological factors, or it may be caused by cervical spondylosis, ankylosing spondylitis, cervical spinal cord injury and other factors. 1. Physiological factors: for example, long hours of work, long hours of looking down at the computer, cell phone, or the height of the pillow is not appropriate, resulting in falling pillow, etc., may cause back neck pain. 2. Cervical spondylosis: especially the existence of cervical disc herniation or cervical spondylolisthesis patients, easy to lead to local nerve root compression, which may cause the back of the neck pain, but also may be accompanied by dizziness, headache, walking as if stepping on cotton and other manifestations. 3. Ankylosing spondylitis: this disease can violate the patient’s multiple joints, but also can involve the body of multiple organs, which may cause back neck pain, may also be accompanied by lumbar stiffness in the morning, peripheral joints and other manifestations of swelling and pain. 4. Cervical spinal cord injury: usually due to open trauma such as stab wounds, gunshot wounds, or infections, scleroderma, systemic lupus erythematosus, etc., due to cervical spinal cord injury, resulting in cervical spinal cord degeneration or necrosis, which may cause neck pain. Back of the neck pain, may also be caused by other reasons, if the symptoms continue to be unable to relieve, should promptly consult a doctor, after a clear diagnosis of the cause, to give targeted treatment.