Pain at the collarbone of the neck may be caused by sternoclavicular arthritis, trauma, lymphadenitis and other reasons. 1. Sternoclavicular arthritis: it is mainly an inflammatory joint lesion caused by chronic strain and infection. Pain and swelling of the sternoclavicular joint, limited shoulder movement, weakness of the affected upper limb and other symptoms can occur, which can lead to pain at the collarbone of the neck. 2. Trauma: It may be localized trauma caused by striking, tearing, collision and other reasons. Localized stimulation can appear the phenomenon of neck clavicle pain. 3. Lymphadenitis: it is an inflammation of lymph nodes caused by pathogenic bacterial infection, and the main clinical manifestations are swollen and painful lymph nodes. When the patient’s neck and clavicle at the lymph node inflammation, can appear pain. If you have pain in your neck and collarbone, you should go to the hospital in time, do the relevant examination to clarify the cause of the disease, and then follow the doctor’s instructions for treatment, so as to avoid delaying the condition.