Tingling in the middle of the chest after smoking too much may be digestive system diseases, cardiovascular system diseases and respiratory system diseases. 1. Digestive system diseases, if there is reflux gastritis, esophagitis and other diseases, may stimulate the mucous membrane of the pharynx and upper esophagus after smoking, appearing in the middle of the chest tingling symptoms. 2. Cardiovascular diseases, smoking may induce coronary artery vasospasm, further leading to myocardial ischemia and other symptoms, manifested as chest pain, if they have high blood pressure, high blood sugar, high blood cholesterol and other underlying diseases, need to be vigilant about heart disease. 3. Respiratory diseases, long-term smoking, may induce chronic bronchitis, emphysema and other diseases, after the infection may further aggravate respiratory symptoms, will also appear in the middle of the chest pain. It is recommended to consult a doctor in time for relevant examinations to rule out the diagnosis.