Neck pain is mostly considered to be caused by cervical spondylosis, which is more likely than frozen shoulder. Both cervical spondylosis and frozen shoulder may cause neck pain, cervical spondylosis will have pain in the neck area, while frozen shoulder is mainly shoulder pain. Cervical spondylosis is a cervical intervertebral disc degenerative lesion-based syndrome, the main clinical symptom is pain in the neck area, may also be accompanied by upper extremity radiating pain, dizziness, headache and other phenomena, the patient can carry out self-checking, if only the neck part of the pain, mostly consider that it is caused by cervical spondylosis. You can take non-steroidal anti-inflammatory drugs such as diclofenac sodium for pain relief, and you can also take oral cervical capsule and other proprietary Chinese medicines for treatment. Frozen shoulder is a chronic inflammation of the shoulder joint capsule and surrounding tissues, such as ligaments, muscles, bursa and other parts of the shoulder, mainly in the shoulder pain and numbness and other clinical symptoms, although it may also cause neck pain, but generally accompanied by shoulder pain. Neck pain can also be caused by other diseases, it is recommended to go to the hospital to confirm the diagnosis and then give targeted treatment.