Deep breathing chest uncomfortable dry cough, may be a physiological phenomenon, may also be the manifestation of thoracic lung disease, need to check the cause of the disease, such as clear bacterial infection, need to actively anti-infective treatment; such as due to contact with dust and so on, can be given to wear a mask, away from the dust and so on to alleviate the way. 1. Physiological phenomenon: uncomfortable dry cough in front of the chest when taking a deep breath can be seen in dust, pollen or cold environment, which is a natural protective response of the lungs. Generally there are no other uncomfortable symptoms, by wearing a mask, pay attention to cold and warmth, drink more water, more rest, generally can return to normal. 2. Thoracic and pulmonary diseases: If you always have chest discomfort and dry cough after every deep breath, or even severe chest pain and violent cough, consider thoracic and pulmonary diseases, such as bronchitis, pneumonia, pleurisy, etc. When you take a deep breath, with the movement of the thorax, the inflammatory secretion stimulates the bronchial tubes or pleura, resulting in chest discomfort and dry cough. For this situation need further examination to clarify the cause of the diagnosis, according to the cause to take appropriate drug treatment. Such as bacterial infections need antibiotics cefixime, amoxicillin, roxithromycin and other treatments; tuberculosis-induced pleurisy requires the use of rifampicin, isoniazid and other anti-tuberculosis treatment. If often appear deep breathing chest uncomfortable dry cough, it is recommended to promptly seek medical treatment under the guidance of a doctor. The above drugs need to be used under the guidance of a physician.