Cervical massage instrument for some patients with cervical muscle strain is more effective, can significantly improve the neck pain and neck muscle weakness symptoms, applicable to the treatment of cervical muscle strain or sympathetic cervical spondylosis, help the recovery of the disease, but for the following types of cervical spondylosis is not effective: 1, neurogenic cervical spondylosis, the herniated disc compressing the nerve obviously appear numbness and weakness of the upper limbs, this time for 2, spinal cord type cervical spondylosis, is due to intervertebral disc compression of the cervical spinal canal spinal nerve, massage instrument massage there is induced disc protrusion obvious, leading to further aggravation of symptoms or even paraplegia may. 3, esophageal cervical spondylosis, disc protrusion forward, compression of the esophagus in front of the cause, massage will lead to local protrusion obvious, aggravating disease. Therefore, the choice of massage instrument also needs to be carefully, according to the individual physical condition decision.