Men with chest pain, there may be the following causes: 1, acute heart disease, the most common is angina pectoris or myocardial infarction. Usually these patients are usually suffering from coronary heart disease or hypertension, diabetes and other medical history. If the chest pain suddenly appears, it will also be combined with chest tightness, chest pain, like a crushing sensation, palpitations, and some patients will also be accompanied by dizziness, cold sweats, etc. The diagnosis can be confirmed by an electrocardiogram and blood troponin at the hospital. 2. If the pain is accompanied by nausea, flatulence or vomiting, it may be a disease of the stomach. For example, gastritis or gastroduodenal ulcer, etc. 3. If the above two causes are excluded, it may be thoracic rib arthritis, which usually has localized pressure pain, and its pain will be induced when the thorax is moving, or when moving things with force, or when breathing deeply. If the local inflammation is strong, there may also be localized skin flushing and swelling, and it may be accompanied by an increase in skin temperature.