The causes of subclavian and suprasternal pain include the following: First, it is considered to be caused by a strain on the subclavian and suprasternal soft tissues of the chest. Most of the pain is caused by strain on the muscles and soft tissues under the clavicle and above the chest due to heavy lifting or trauma. This kind of pain can be relieved with the application of rehabilitation massage and physiotherapy, as well as topical blood circulation and blood stasis medication. The second cause is the pain under the clavicle and above the sternum caused by spontaneous pneumothorax or respiratory diseases such as ruptured pulmonary blister. Mostly due to the history of chronic bronchitis or pulmonary herpes, and the sudden appearance of chest pain with breathlessness, etc., can be identified as spontaneous pneumothorax or pulmonary herpes rupture, serious cases need to perform closed drainage of the chest cavity to cure. The third cause is due to intercostal nerve pain, which can be significantly relieved by taking nerve-nourishing drugs.