The pain in the chest above the breast has the following causes: 1. It may be thoracic costochondritis, usually pain in the sternum and rib joints, and if the local inflammation is strong, there will be local redness, swelling, heat and pain. 2. 3.It may be a local soft tissue contusion, usually with a clear history of trauma, or pain after suddenly moving heavy objects. 4.If the pain occurs on the left side of the chest, pay attention to the possibility of an acute heart attack, commonly angina pectoris or acute myocardial infarction, if there is chest pain, pain like If you have chest pain, pain like a crushing sensation, accompanied by chest tightness, palpitations, etc., you must be highly suspicious of a heart attack, you must immediately go to the hospital to check the electrocardiogram and blood troponin to confirm the diagnosis.