Right back neck pain should be alert to cervical spondylosis, myofibrositis, frozen shoulder and other diseases. 1. Cervical spondylosis: If the patient suffers from cervical spondylosis, the spine will be spastic or abnormal proliferation, compression or stimulation of local nerves or blood vessels, which will lead to the symptoms of left back neck pain. 2. Myofibrillitis: when wearing too little clothing or keeping a posture for a long time and other causes of myofibrillitis, so that the local muscle edema or oozing, which leads to the symptoms of the right back of the neck pain. 3. Frozen shoulder: If the neck is subjected to strenuous exercise for a long time, resulting in degenerative changes in local soft tissues and local tissue damage, if the frozen shoulder disease is located on the right side and involves other tissues in the vicinity, the symptom of right posterior neck pain may occur. Due to the symptoms of right posterior neck pain, it is necessary to go to the hospital in time for examination and diagnosis, and give regular treatment after clarifying the cause of the disease.