Pain in the right side tendon of the neck may be caused by chronic injury, cervical spondylosis, fasciitis and so on. 1. Chronic injury: if the patient in life for a long time low head to play cell phone, work and repeat some kind of action, it will lead to the right side of the neck of the soft tissue repeated tension, local congestion, edema, which formed aseptic inflammation, localized pain. 2. Cervical spondylosis: when the intervertebral disc degenerative changes, will lead to the soft tissues of the neck and the vertebral body dynamic, static force balance imbalance, thus stimulating or compression of the cervical nerve roots, spinal cord, resulting in patients with pain on the right side of the neck tendon. 3. Fasciitis: the disease is usually associated with muscle strain, minor trauma, exertion, cold and other factors, the patient will appear in the right side of the neck tendon pain, accompanied by muscle tension, muscle spasm and other symptoms. It is recommended to go to the hospital in time, under the diagnosis of the doctor, according to the patient’s condition, targeted treatment.