If the patient has right-sided chest pain during inspiration, the following points should be considered: first, the traumatic factors should be considered, for example, the patient has multiple fractures of the sternum, or ribs, or contusion or stretching of the surrounding soft tissues, which can cause pain in the right side of the chest during inhalation. Second, infectious diseases of the respiratory system, such as pleural effusion on the right side, massive lung infection, pleurisy, can also have chest pain when inhaling. Third, pneumothorax caused by various factors, such as tension pneumothorax, open pneumothorax, traffic pneumothorax, will also have symptoms of pain in the right side of the chest during inhalation. Fourth, cardiogenic diseases. For example, if the patient has coronary artery disease unstable angina pectoris, acute coronary syndrome, acute myocarditis pericardial compression in severe cases, there will also be the above symptoms.