Subclavicular pain aggravated by coughing hurts when touched, the possible causes are lung infection, pleural adhesion, pneumothorax, etc., and need to be clarified by X-rays and blood tests. 1. Lung infection: If there is bacterial pneumonia or tuberculosis in the lungs, resulting in local inflammatory foci in the lung tissues, severe localized pain can occur when coughing; in addition, subclavian lymph node swelling caused by pneumonia can also cause subclavian pain and coughing pain when touched. 2. Pleural adhesion: the possible causes of pleural adhesion are blood accumulation in the chest cavity injury, tumor obstruction of the duct, damage to the chest duct, advanced silicosis, pneumonia and lung abscess, etc. Chest tightness adhesion may occur if it appears in the position of the subclavian bone, the symptom may occur. 3. Pneumothorax: The causes of pneumothorax include chest injury such as fracture, violent blows, etc. It may also be caused by pneumonia, chronic obstructive pulmonary disease, pulmonary fibrosis, etc. The main symptom of pneumothorax is chest pain accompanied by coughing, and the pain is aggravated after coughing, so the symptom of gai may also occur. The symptoms of subclavian pain aggravated by coughing and painful to touch, it is recommended to go to the regular hospital in time to find out the cause and actively treat it.