Pain over the chest can be seen in the following conditions: 1. Local inflammation of muscle ligaments. There are mostly inflammatory manifestations, i.e. local pressure pain, redness, swelling and fever. 2. Coronary artery disease. Middle-aged and elderly patients should consider this condition and undergo electrocardiogram, cardiac ultrasound and, if necessary, coronary arteriography. 3, pericarditis. Pericardial friction sounds can often be heard and are accompanied by chest tightness and chest pain. 4. Respiratory diseases. For example, pleurisy, pneumonia invading the pleura, pneumothorax, etc., mostly accompanied by other symptoms. 5, esophageal lesions. If there are esophageal tumors, reflux esophagitis, etc., chest discomfort symptoms can also occur. 6, neurosis. That is, no organic lesions, mostly seen in young women as well as menopausal women, related to emotional changes.