For female patients, if there is chest pain in the precordial region: first, breast diseases should be considered, such as acute mastitis, lobular hyperplasia of the breast, tumor occupancy and other factors will have symptoms of chest pain. Second, because of trauma resulting in fracture of the sternum or ribs, contusions of the surrounding soft tissues, sprains, pulling deep injuries, there will also be painful symptoms in the chest. Third, women who have cardiac neurosis caused by plant nerve dysfunction will also have pain. Fourth, for cardiogenic diseases, take into account coronary heart disease unstable angina, acute myocarditis, acute pericarditis, severe arrhythmia, heart failure, there will also be painful symptoms. Fifth, in case of respiratory system diseases, such as pneumothorax, acute pleurisy, pleural effusion, and massive lung infection caused by various factors, there will also be clinical symptoms and manifestations of pain in the chest.