Deep breathing chest pain is often caused by respiratory diseases, including: 1, pneumothorax: in addition to deep breathing chest pain, often accompanied by chest tightness, shortness of breath and other symptoms; 2, pleurisy: pleurisy caused by the pain is sometimes more intense, often accompanied by fever, coughing and other symptoms; 3, bronchiectasis: the patient is often accompanied by symptoms of infection, such as coughing, coughing up purulent sputum, or even coughing up blood; 4, pulmonary embolism: the patient is often accompanied by chest tightness, shortness of breath, or even change of consciousness, blood pressure drop and other symptoms; 5, chronic obstructive pulmonary disease: the patient is often accompanied by coughing, coughing up phlegm, shortness of breath, dyspnoea, and dyspnoea symptoms aggravated by activities and other performance.