Smoking chest pain is mainly due to smoking excitation sympathetic nerve caused by coronary artery spasm, increased respiratory phlegm stimulation of mucosal nerves and part of the smoke stimulation of the esophagus and stomach, resulting in acid reflux and so on. 1. Nicotine in tobacco can activate the sympathetic nerve to cause coronary artery spasm, resulting in myocardial ischemia or angina attack causing chest pain. 2. Smoking smoke and phlegm increase stimulation of respiratory mucosa, induced bronchitis, pharyngitis, etc. will lead to chest pain. 3. Oropharynx is the common opening of the esophagus and trachea, smoking smoke stimulation of the esophagus and stomach, resulting in gastric acid reflux, gastric acid stimulation of the esophageal mucosa can appear after the sternum below the jabotus burning pain. Smoking chest pain, also does not exclude the combination of cardiopulmonary diseases, it is recommended that the hospital for further diagnosis and treatment, so as not to miss the diagnosis.