Neck pain to determine whether it is cervical spondylosis or thyroid, need to be based on clinical symptoms, auxiliary examination results, etc. Cervical spine pain is mostly located in the back of the neck, thyroid pain is mostly located in the front of the neck unilateral or bilateral. 1. Clinical symptoms: neck pain of cervical spondylosis is mainly located in the back of the neck, and may also appear dizziness, headache, nausea, numbness of the limbs and other symptoms. Neck pain caused by thyroid disease is mainly located in the front of the neck, unilateral or bilateral is possible, and may also be accompanied by neck fever, goiter, hand tremor, irritability, palpitations and other symptoms. 2. Auxiliary examination: in case of cervical spine lesions, abnormalities can be found in neck imaging examinations, such as CT, MRI, etc.; in case of thyroid diseases, abnormalities can be found in thyroid ultrasound, thyroid function and other examinations. With the symptoms of neck pain, you need to go to the hospital in time to clarify the cause of the disease and then treat it.