Chest pain may be caused by chest wall disorders, cardiovascular disorders, respiratory disorders, mediastinal disorders, as well as other aspects of the disease. 1. Chest wall diseases: such as herpes zoster, rib fracture, costochondritis, etc. 2. Cardiovascular diseases: such as myocardial infarction, aortic stenosis, pulmonary infarction, acute pericarditis, etc. 3. Respiratory diseases: such as spontaneous pneumothorax, pleural tumor, bronchial lung cancer, etc. 4. Mediastinal diseases: such as mediastinal tumor, mediastinal cyst, etc. 5. Other diseases: such as acute leukemia, esophagitis and so on. When chest pain occurs, you must go to the hospital in time to find out the cause, and if myocardial infarction or other life-threatening diseases occur, you must take the right measures in time to save your life.