There are many reasons for smoking chest pain, the common ones are respiratory diseases, heart diseases and liver diseases. 1. Respiratory diseases: smoking will stimulate the patient’s trachea, bronchial tubes, alveolar mucosa congestion and edema, leading to respiratory diseases such as bronchitis, chronic obstructive emphysema, etc., causing chest pain. 2. Heart disease: smoking can stimulate vasoconstriction, for patients with heart disease may increase the burden on the heart, thus triggering angina pectoris, pinprick-like, asphyxiating pain. 3. Liver disease: patients with severe liver disease, especially those suffering from hepatitis B, the patient’s general condition is poor, the damage to the surrounding organs is heavy, often suffering from other systemic diseases, smoking will stimulate the body to produce chest pain and other symptoms. When the patient smoking chest pain, should immediately stop smoking, while avoiding strenuous activities and other stimulating actions that trigger coughing, it is recommended to go to the hospital in a timely manner to check, if necessary, take a chest X-ray to clarify the situation of the lungs, check the cardiac function of the heart to clarify the presence of heart disease.