Deep breathing right chest pain may be caused by right lung disease, inflammation or liver and gallbladder disease. 1. Right lung disease: it may be due to the patient’s right pneumothorax, or local tumor hyperplasia, in the process of deep breathing, due to the increase in pressure in the right lung, which will cause a certain degree of extrusion, which induces the pain performance. 2. Inflammation: If deep breathing right chest pain, if the time is short, it may be after strenuous exercise or catching a cold, triggered by costochondritis, this do not pay too much attention to, generally can be self-healing. If more than a week, the pain is getting more and more serious, it may be pleurisy, need to pay attention to, early detection and early treatment. 3. Liver and gallbladder diseases: such as cholecystitis, gallbladder stones, liver abscess, etc., manifested as chest pain on the right side, the pain is obvious when breathing deeply, accompanied by fever and other symptoms. Deep breathing right chest pain has a variety of reasons, if the symptoms of aggravation of patients with pain, should promptly seek medical attention, diagnose the cause of the disease with the doctor to do the appropriate treatment.